diff --git a/src/Mod/Fem/Gui/Command.cpp b/src/Mod/Fem/Gui/Command.cpp
index 1e853f2656..5e5a9d31ee 100644
--- a/src/Mod/Fem/Gui/Command.cpp
+++ b/src/Mod/Fem/Gui/Command.cpp
@@ -817,7 +817,7 @@ CmdFemConstraintTemperature::CmdFemConstraintTemperature()
     sToolTipText    = QT_TR_NOOP("Creates a FEM constraint for a temperature/concentrated heat flux acting on a face");
     sWhatsThis      = "FEM_ConstraintTemperature";
     sStatusTip      = sToolTipText;
-    sPixmap         = "fem-constraint-temperature";
+    sPixmap         = "FEM_ConstraintTemperature";
 }
 
 void CmdFemConstraintTemperature::activated(int)
diff --git a/src/Mod/Fem/Gui/Resources/Fem.qrc b/src/Mod/Fem/Gui/Resources/Fem.qrc
index 446a7561ae..cef3c166ea 100755
--- a/src/Mod/Fem/Gui/Resources/Fem.qrc
+++ b/src/Mod/Fem/Gui/Resources/Fem.qrc
@@ -24,7 +24,7 @@
         <file>icons/FEM_ConstraintPressure.svg</file>
         <file>icons/FEM_ConstraintPulley.svg</file>
         <file>icons/FEM_ConstraintSelfWeight.svg</file>
-        <file>icons/fem-constraint-temperature.svg</file>
+        <file>icons/FEM_ConstraintTemperature.svg</file>
         <file>icons/fem-constraint-tie.svg</file>
         <file>icons/fem-constraint-transform.svg</file>
         <file>icons/fem-element-fluid-1d.svg</file>
diff --git a/src/Mod/Fem/Gui/Resources/icons/fem-constraint-temperature.svg b/src/Mod/Fem/Gui/Resources/icons/FEM_ConstraintTemperature.svg
similarity index 100%
rename from src/Mod/Fem/Gui/Resources/icons/fem-constraint-temperature.svg
rename to src/Mod/Fem/Gui/Resources/icons/FEM_ConstraintTemperature.svg
diff --git a/src/Mod/Fem/Gui/TaskFemConstraintTemperature.cpp b/src/Mod/Fem/Gui/TaskFemConstraintTemperature.cpp
index c46a40a307..d417c27ae9 100644
--- a/src/Mod/Fem/Gui/TaskFemConstraintTemperature.cpp
+++ b/src/Mod/Fem/Gui/TaskFemConstraintTemperature.cpp
@@ -61,7 +61,7 @@ using namespace Gui;
 /* TRANSLATOR FemGui::TaskFemConstraintTemperature */
 
 TaskFemConstraintTemperature::TaskFemConstraintTemperature(ViewProviderFemConstraintTemperature *ConstraintView,QWidget *parent)
-  : TaskFemConstraint(ConstraintView, parent, "fem-constraint-temperature")
+  : TaskFemConstraint(ConstraintView, parent, "FEM_ConstraintTemperature")
 {
     proxy = new QWidget(this);
     ui = new Ui_TaskFemConstraintTemperature();
diff --git a/src/Mod/Fem/Gui/ViewProviderFemConstraintTemperature.cpp b/src/Mod/Fem/Gui/ViewProviderFemConstraintTemperature.cpp
index b4c5753070..d03b70f9a7 100644
--- a/src/Mod/Fem/Gui/ViewProviderFemConstraintTemperature.cpp
+++ b/src/Mod/Fem/Gui/ViewProviderFemConstraintTemperature.cpp
@@ -55,7 +55,7 @@ PROPERTY_SOURCE(FemGui::ViewProviderFemConstraintTemperature, FemGui::ViewProvid
 
 ViewProviderFemConstraintTemperature::ViewProviderFemConstraintTemperature()
 {
-    sPixmap = "fem-constraint-temperature";
+    sPixmap = "FEM_ConstraintTemperature";
     ADD_PROPERTY(FaceColor,(0.2f,0.3f,0.2f));
 }