diff --git a/src/Mod/Fem/Gui/Command.cpp b/src/Mod/Fem/Gui/Command.cpp
index f9be3bef2..030c7c838 100755
--- a/src/Mod/Fem/Gui/Command.cpp
+++ b/src/Mod/Fem/Gui/Command.cpp
@@ -256,7 +256,7 @@ CmdFemConstraintFixed::CmdFemConstraintFixed()
     sToolTipText    = QT_TR_NOOP("Create FEM constraint for a fixed geometric entity");
     sWhatsThis      = "Fem_ConstraintFixed";
     sStatusTip      = sToolTipText;
-    sPixmap         = "Fem_ConstraintFixed";
+    sPixmap         = "fem-constraint-fixed";
 }
 
 void CmdFemConstraintFixed::activated(int iMsg)
diff --git a/src/Mod/Fem/Gui/Resources/Fem.qrc b/src/Mod/Fem/Gui/Resources/Fem.qrc
index 770d8967c..9556c023f 100755
--- a/src/Mod/Fem/Gui/Resources/Fem.qrc
+++ b/src/Mod/Fem/Gui/Resources/Fem.qrc
@@ -4,7 +4,7 @@
         <file>icons/Fem_FemMesh_createnodebypoly.svg</file>
         <file>icons/fem-analysis.svg</file>
         <file>icons/Fem_ConstraintForce.svg</file>
-        <file>icons/Fem_ConstraintFixed.svg</file>
+        <file>icons/fem-constraint-fixed.svg</file>
         <file>icons/Fem_ConstraintPressure.svg</file>
         <file>icons/fem-constraint-bearing.svg</file>
         <file>icons/Fem_ConstraintGear.svg</file>
diff --git a/src/Mod/Fem/Gui/Resources/icons/Fem_ConstraintFixed.svg b/src/Mod/Fem/Gui/Resources/icons/fem-constraint-fixed.svg
similarity index 100%
rename from src/Mod/Fem/Gui/Resources/icons/Fem_ConstraintFixed.svg
rename to src/Mod/Fem/Gui/Resources/icons/fem-constraint-fixed.svg
diff --git a/src/Mod/Fem/Gui/ViewProviderFemConstraintFixed.cpp b/src/Mod/Fem/Gui/ViewProviderFemConstraintFixed.cpp
index d2c136b68..792a235b4 100644
--- a/src/Mod/Fem/Gui/ViewProviderFemConstraintFixed.cpp
+++ b/src/Mod/Fem/Gui/ViewProviderFemConstraintFixed.cpp
@@ -48,7 +48,7 @@ PROPERTY_SOURCE(FemGui::ViewProviderFemConstraintFixed, FemGui::ViewProviderFemC
 
 ViewProviderFemConstraintFixed::ViewProviderFemConstraintFixed()
 {
-    sPixmap = "Fem_ConstraintFixed";
+    sPixmap = "fem-constraint-fixed";
 }
 
 ViewProviderFemConstraintFixed::~ViewProviderFemConstraintFixed()