diff --git a/src/Mod/Fem/Gui/TaskFemConstraintContact.ui b/src/Mod/Fem/Gui/TaskFemConstraintContact.ui
index 73dcb3d50a..f69d36f379 100644
--- a/src/Mod/Fem/Gui/TaskFemConstraintContact.ui
+++ b/src/Mod/Fem/Gui/TaskFemConstraintContact.ui
@@ -25,6 +25,12 @@
     <layout class="QHBoxLayout" name="hLayout1_2">
      <item>
       <widget class="QToolButton" name="btnAddMaster">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
        <property name="text">
         <string>Add</string>
        </property>
@@ -35,6 +41,12 @@
      </item>
      <item>
       <widget class="QToolButton" name="btnRemoveMaster">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
        <property name="text">
         <string>Remove</string>
        </property>
@@ -72,6 +84,12 @@
     <layout class="QHBoxLayout" name="hLayout1_3">
      <item>
       <widget class="QToolButton" name="btnAddSlave">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
        <property name="text">
         <string>Add</string>
        </property>
@@ -82,6 +100,12 @@
      </item>
      <item>
       <widget class="QToolButton" name="btnRemoveSlave">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
        <property name="text">
         <string>Remove</string>
        </property>
diff --git a/src/Mod/Fem/Gui/TaskFemConstraintDisplacement.ui b/src/Mod/Fem/Gui/TaskFemConstraintDisplacement.ui
index ddf14926b3..95d8cdb9c9 100644
--- a/src/Mod/Fem/Gui/TaskFemConstraintDisplacement.ui
+++ b/src/Mod/Fem/Gui/TaskFemConstraintDisplacement.ui
@@ -46,6 +46,12 @@
     <layout class="QHBoxLayout" name="hLayout1">
      <item>
       <widget class="QToolButton" name="btnAdd">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
        <property name="text">
         <string>Add</string>
        </property>
@@ -56,6 +62,12 @@
      </item>
      <item>
       <widget class="QToolButton" name="btnRemove">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
        <property name="text">
         <string>Remove</string>
        </property>
diff --git a/src/Mod/Fem/Gui/TaskFemConstraintFixed.ui b/src/Mod/Fem/Gui/TaskFemConstraintFixed.ui
index a2243f1ba1..4758b10112 100644
--- a/src/Mod/Fem/Gui/TaskFemConstraintFixed.ui
+++ b/src/Mod/Fem/Gui/TaskFemConstraintFixed.ui
@@ -25,6 +25,12 @@
     <layout class="QHBoxLayout" name="hLayout1">
      <item>
       <widget class="QToolButton" name="btnAdd">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
        <property name="text">
         <string>Add</string>
        </property>
@@ -35,6 +41,12 @@
      </item>
      <item>
       <widget class="QToolButton" name="btnRemove">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
        <property name="text">
         <string>Remove</string>
        </property>
diff --git a/src/Mod/Fem/Gui/TaskFemConstraintFluidBoundary.ui b/src/Mod/Fem/Gui/TaskFemConstraintFluidBoundary.ui
index 89c6b328bc..b39af47b48 100644
--- a/src/Mod/Fem/Gui/TaskFemConstraintFluidBoundary.ui
+++ b/src/Mod/Fem/Gui/TaskFemConstraintFluidBoundary.ui
@@ -75,6 +75,12 @@
     <layout class="QHBoxLayout" name="horizontalLayout_2">
      <item>
       <widget class="QToolButton" name="btnAdd">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
        <property name="text">
         <string>Add</string>
        </property>
@@ -85,6 +91,12 @@
      </item>
      <item>
       <widget class="QToolButton" name="btnRemove">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
        <property name="text">
         <string>Remove</string>
        </property>
diff --git a/src/Mod/Fem/Gui/TaskFemConstraintForce.ui b/src/Mod/Fem/Gui/TaskFemConstraintForce.ui
index cf1a9743ee..c8a4795cd8 100644
--- a/src/Mod/Fem/Gui/TaskFemConstraintForce.ui
+++ b/src/Mod/Fem/Gui/TaskFemConstraintForce.ui
@@ -37,6 +37,12 @@
     <layout class="QHBoxLayout" name="horizontalLayout">
      <item>
       <widget class="QToolButton" name="btnAdd">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
        <property name="text">
         <string>Add</string>
        </property>
@@ -47,6 +53,12 @@
      </item>
      <item>
       <widget class="QToolButton" name="btnRemove">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
        <property name="text">
         <string>Remove</string>
        </property>
diff --git a/src/Mod/Fem/Gui/TaskFemConstraintHeatflux.ui b/src/Mod/Fem/Gui/TaskFemConstraintHeatflux.ui
index d8620346ee..79b8adbbec 100644
--- a/src/Mod/Fem/Gui/TaskFemConstraintHeatflux.ui
+++ b/src/Mod/Fem/Gui/TaskFemConstraintHeatflux.ui
@@ -25,6 +25,12 @@
     <layout class="QHBoxLayout" name="hLayout1">
      <item>
       <widget class="QToolButton" name="btnAdd">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
        <property name="text">
         <string>Add</string>
        </property>
@@ -35,6 +41,12 @@
      </item>
      <item>
       <widget class="QToolButton" name="btnRemove">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
        <property name="text">
         <string>Remove</string>
        </property>
diff --git a/src/Mod/Fem/Gui/TaskFemConstraintPlaneRotation.ui b/src/Mod/Fem/Gui/TaskFemConstraintPlaneRotation.ui
index b849909468..6912f48481 100644
--- a/src/Mod/Fem/Gui/TaskFemConstraintPlaneRotation.ui
+++ b/src/Mod/Fem/Gui/TaskFemConstraintPlaneRotation.ui
@@ -25,6 +25,12 @@
     <layout class="QHBoxLayout" name="hLayout1">
      <item>
       <widget class="QToolButton" name="btnAdd">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
        <property name="text">
         <string>Add</string>
        </property>
@@ -35,6 +41,12 @@
      </item>
      <item>
       <widget class="QToolButton" name="btnRemove">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
        <property name="text">
         <string>Remove</string>
        </property>
diff --git a/src/Mod/Fem/Gui/TaskFemConstraintPressure.ui b/src/Mod/Fem/Gui/TaskFemConstraintPressure.ui
index 6c115e59c4..3add87bb7a 100644
--- a/src/Mod/Fem/Gui/TaskFemConstraintPressure.ui
+++ b/src/Mod/Fem/Gui/TaskFemConstraintPressure.ui
@@ -25,6 +25,12 @@
     <layout class="QHBoxLayout" name="hLayout1">
      <item>
       <widget class="QToolButton" name="btnAdd">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
        <property name="text">
         <string>Add</string>
        </property>
@@ -35,6 +41,12 @@
      </item>
      <item>
       <widget class="QToolButton" name="btnRemove">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
        <property name="text">
         <string>Remove</string>
        </property>
diff --git a/src/Mod/Fem/Gui/TaskFemConstraintSpring.ui b/src/Mod/Fem/Gui/TaskFemConstraintSpring.ui
index f294f0f13e..b26a9af592 100644
--- a/src/Mod/Fem/Gui/TaskFemConstraintSpring.ui
+++ b/src/Mod/Fem/Gui/TaskFemConstraintSpring.ui
@@ -25,6 +25,12 @@
     <layout class="QHBoxLayout" name="hLayout1">
      <item>
       <widget class="QToolButton" name="btnAdd">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
        <property name="text">
         <string>Add</string>
        </property>
@@ -35,6 +41,12 @@
      </item>
      <item>
       <widget class="QToolButton" name="btnRemove">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
        <property name="text">
         <string>Remove</string>
        </property>
diff --git a/src/Mod/Fem/Gui/TaskFemConstraintTransform.ui b/src/Mod/Fem/Gui/TaskFemConstraintTransform.ui
index 26a6cbe451..a593ee43de 100644
--- a/src/Mod/Fem/Gui/TaskFemConstraintTransform.ui
+++ b/src/Mod/Fem/Gui/TaskFemConstraintTransform.ui
@@ -49,6 +49,18 @@
     <layout class="QHBoxLayout" name="hLayout1">
      <item>
       <widget class="QToolButton" name="btnAdd">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
        <property name="text">
         <string>Add</string>
        </property>
@@ -59,6 +71,18 @@
      </item>
      <item>
       <widget class="QToolButton" name="btnRemove">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
        <property name="text">
         <string>Remove</string>
        </property>