diff --git a/src/Mod/Fem/Gui/Resources/Fem.qrc b/src/Mod/Fem/Gui/Resources/Fem.qrc
index 9eb04ccf80..9b2a1556b1 100755
--- a/src/Mod/Fem/Gui/Resources/Fem.qrc
+++ b/src/Mod/Fem/Gui/Resources/Fem.qrc
@@ -35,7 +35,7 @@
         <file>icons/FEM_EquationElectrostatic.svg</file>
         <file>icons/FEM_EquationFlow.svg</file>
         <file>icons/FEM_EquationFluxsolver.svg</file>
-        <file>icons/fem-equation-heat.svg</file>
+        <file>icons/FEM_EquationHeat.svg</file>
         <file>icons/fem-femmesh-boundary-layer.svg</file>
         <file>icons/fem-femmesh-clear-mesh.svg</file>
         <file>icons/fem-femmesh-create-node-by-poly.svg</file>
diff --git a/src/Mod/Fem/Gui/Resources/icons/fem-equation-heat.svg b/src/Mod/Fem/Gui/Resources/icons/FEM_EquationHeat.svg
similarity index 100%
rename from src/Mod/Fem/Gui/Resources/icons/fem-equation-heat.svg
rename to src/Mod/Fem/Gui/Resources/icons/FEM_EquationHeat.svg
diff --git a/src/Mod/Fem/femcommands/commands.py b/src/Mod/Fem/femcommands/commands.py
index 37e6ca296b..92058c2182 100644
--- a/src/Mod/Fem/femcommands/commands.py
+++ b/src/Mod/Fem/femcommands/commands.py
@@ -442,7 +442,7 @@ class _EquationHeat(CommandManager):
     def __init__(self):
         super(_EquationHeat, self).__init__()
         self.resources = {
-            "Pixmap": "fem-equation-heat",
+            "Pixmap": "FEM_EquationHeat",
             "MenuText": QtCore.QT_TRANSLATE_NOOP(
                 "FEM_EquationHeat",
                 "Fluxsolver heat"
diff --git a/src/Mod/Fem/femsolver/equationbase.py b/src/Mod/Fem/femsolver/equationbase.py
index 2a3286a688..a2f1d32860 100644
--- a/src/Mod/Fem/femsolver/equationbase.py
+++ b/src/Mod/Fem/femsolver/equationbase.py
@@ -76,7 +76,7 @@ class HeatProxy(BaseProxy):
 class HeatViewProxy(BaseViewProxy):
 
     def getIcon(self):
-        return ":/icons/fem-equation-heat.svg"
+        return ":/icons/FEM_EquationHeat.svg"
 
 
 class ElasticityProxy(BaseProxy):