diff --git a/src/Mod/Fem/Gui/Command.cpp b/src/Mod/Fem/Gui/Command.cpp
index aebffce572..a7c102cbf5 100644
--- a/src/Mod/Fem/Gui/Command.cpp
+++ b/src/Mod/Fem/Gui/Command.cpp
@@ -468,7 +468,7 @@ CmdFemConstraintFluidBoundary::CmdFemConstraintFluidBoundary()
     sToolTipText    = QT_TR_NOOP("Create fluid boundary condition on face entity for Computional Fluid Dynamics");
     sWhatsThis      = "FEM_ConstraintFluidBoundary";
     sStatusTip      = sToolTipText;
-    sPixmap         = "fem-constraint-fluid-boundary";
+    sPixmap         = "FEM_ConstraintFluidBoundary";
 }
 
 void CmdFemConstraintFluidBoundary::activated(int)
diff --git a/src/Mod/Fem/Gui/Resources/Fem.qrc b/src/Mod/Fem/Gui/Resources/Fem.qrc
index f2c6bc5769..73f356f285 100755
--- a/src/Mod/Fem/Gui/Resources/Fem.qrc
+++ b/src/Mod/Fem/Gui/Resources/Fem.qrc
@@ -14,7 +14,7 @@
         <file>icons/FEM_ConstraintElectrostaticPotential.svg</file>
         <file>icons/FEM_ConstraintFixed.svg</file>
         <file>icons/FEM_ConstraintFlowVelocity.svg</file>
-        <file>icons/fem-constraint-fluid-boundary.svg</file>
+        <file>icons/FEM_ConstraintFluidBoundary.svg</file>
         <file>icons/FEM_ConstraintForce.svg</file>
         <file>icons/FEM_ConstraintGear.svg</file>
         <file>icons/fem-constraint-heatflux.svg</file>
diff --git a/src/Mod/Fem/Gui/Resources/icons/fem-constraint-fluid-boundary.svg b/src/Mod/Fem/Gui/Resources/icons/FEM_ConstraintFluidBoundary.svg
similarity index 100%
rename from src/Mod/Fem/Gui/Resources/icons/fem-constraint-fluid-boundary.svg
rename to src/Mod/Fem/Gui/Resources/icons/FEM_ConstraintFluidBoundary.svg
diff --git a/src/Mod/Fem/Gui/TaskFemConstraintFluidBoundary.cpp b/src/Mod/Fem/Gui/TaskFemConstraintFluidBoundary.cpp
index af17e68986..b48a39f406 100644
--- a/src/Mod/Fem/Gui/TaskFemConstraintFluidBoundary.cpp
+++ b/src/Mod/Fem/Gui/TaskFemConstraintFluidBoundary.cpp
@@ -132,7 +132,7 @@ void initComboBox(QComboBox* combo, const std::vector<std::string>& textItems, c
 
 /* TRANSLATOR FemGui::TaskFemConstraintFluidBoundary */
 TaskFemConstraintFluidBoundary::TaskFemConstraintFluidBoundary(ViewProviderFemConstraintFluidBoundary *ConstraintView,QWidget *parent)
-    : TaskFemConstraint(ConstraintView, parent, "fem-constraint-fluid-boundary")
+    : TaskFemConstraint(ConstraintView, parent, "FEM_ConstraintFluidBoundary")
     , dimension(-1)
 {
     // we need a separate container widget to add all controls to
diff --git a/src/Mod/Fem/Gui/ViewProviderFemConstraintFluidBoundary.cpp b/src/Mod/Fem/Gui/ViewProviderFemConstraintFluidBoundary.cpp
index 80adfb2c75..5120a02531 100644
--- a/src/Mod/Fem/Gui/ViewProviderFemConstraintFluidBoundary.cpp
+++ b/src/Mod/Fem/Gui/ViewProviderFemConstraintFluidBoundary.cpp
@@ -50,7 +50,7 @@ PROPERTY_SOURCE(FemGui::ViewProviderFemConstraintFluidBoundary, FemGui::ViewProv
 
 ViewProviderFemConstraintFluidBoundary::ViewProviderFemConstraintFluidBoundary()
 {
-    sPixmap = "fem-constraint-fluid-boundary";
+    sPixmap = "FEM_ConstraintFluidBoundary";
 }
 
 ViewProviderFemConstraintFluidBoundary::~ViewProviderFemConstraintFluidBoundary()