diff --git a/src/Mod/Fem/Gui/Command.cpp b/src/Mod/Fem/Gui/Command.cpp
index 85b37ffb9a07..cc2f275736fb 100755
--- a/src/Mod/Fem/Gui/Command.cpp
+++ b/src/Mod/Fem/Gui/Command.cpp
@@ -543,7 +543,7 @@ CmdFemDefineNodesSet::CmdFemDefineNodesSet()
     sToolTipText  = QT_TR_NOOP("Create node set by Poly");
     sWhatsThis    = "Create node set by Poly";
     sStatusTip    = QT_TR_NOOP("Create node set by Poly");
-    sPixmap       = "Fem_FemMesh_createnodebypoly";
+    sPixmap       = "fem-fem-mesh-create-node-by-poly";
 }
 
 void CmdFemDefineNodesSet::activated(int iMsg)
@@ -600,7 +600,7 @@ CmdFemCreateNodesSet::CmdFemCreateNodesSet()
     sToolTipText    = QT_TR_NOOP("Define/create a nodes set...");
     sWhatsThis      = "Fem_CreateNodesSet";
     sStatusTip      = sToolTipText;
-    sPixmap         = "Fem_FemMesh_createnodebypoly";
+    sPixmap         = "fem-fem-mesh-create-node-by-poly";
 }
 
 void CmdFemCreateNodesSet::activated(int iMsg)
diff --git a/src/Mod/Fem/Gui/Resources/Fem.qrc b/src/Mod/Fem/Gui/Resources/Fem.qrc
index b9fe7fead125..d7c0bb05a118 100755
--- a/src/Mod/Fem/Gui/Resources/Fem.qrc
+++ b/src/Mod/Fem/Gui/Resources/Fem.qrc
@@ -1,7 +1,7 @@
 <RCC>
     <qresource> 
         <file>icons/fem-fem-mesh-from-shape.svg</file>
-        <file>icons/Fem_FemMesh_createnodebypoly.svg</file>
+        <file>icons/fem-fem-mesh-create-node-by-poly.svg</file>
         <file>icons/fem-analysis.svg</file>
         <file>icons/fem-constraint-force.svg</file>
         <file>icons/fem-constraint-fixed.svg</file>
diff --git a/src/Mod/Fem/Gui/Resources/icons/Fem_FemMesh_createnodebypoly.svg b/src/Mod/Fem/Gui/Resources/icons/fem-fem-mesh-create-node-by-poly.svg
similarity index 99%
rename from src/Mod/Fem/Gui/Resources/icons/Fem_FemMesh_createnodebypoly.svg
rename to src/Mod/Fem/Gui/Resources/icons/fem-fem-mesh-create-node-by-poly.svg
index f98813b0bd6f..044191fe418b 100644
--- a/src/Mod/Fem/Gui/Resources/icons/Fem_FemMesh_createnodebypoly.svg
+++ b/src/Mod/Fem/Gui/Resources/icons/fem-fem-mesh-create-node-by-poly.svg
@@ -15,7 +15,7 @@
    id="svg2860"
    sodipodi:version="0.32"
    inkscape:version="0.48.3.1 r9886"
-   sodipodi:docname="Fem_FemMesh_createnodebypoly.svg"
+   sodipodi:docname="fem-fem-mesh-create-node-by-poly.svg"
    inkscape:output_extension="org.inkscape.output.svg.inkscape"
    version="1.1">
   <defs
diff --git a/src/Mod/Fem/Gui/TaskAnalysisInfo.cpp b/src/Mod/Fem/Gui/TaskAnalysisInfo.cpp
index 107375d72e25..e65f56b1194b 100644
--- a/src/Mod/Fem/Gui/TaskAnalysisInfo.cpp
+++ b/src/Mod/Fem/Gui/TaskAnalysisInfo.cpp
@@ -41,7 +41,7 @@ using namespace Gui;
 
 
 TaskAnalysisInfo::TaskAnalysisInfo(Fem::FemAnalysis *pcObject,QWidget *parent)
-    : TaskBox(Gui::BitmapFactory().pixmap("Fem_FemMesh_createnodebypoly"),
+    : TaskBox(Gui::BitmapFactory().pixmap("fem-fem-mesh-create-node-by-poly"),
       tr("Nodes set"),
       true, 
       parent),
diff --git a/src/Mod/Fem/Gui/TaskCreateNodeSet.cpp b/src/Mod/Fem/Gui/TaskCreateNodeSet.cpp
index be2b2cd8a6b8..c3e66f2a53d2 100644
--- a/src/Mod/Fem/Gui/TaskCreateNodeSet.cpp
+++ b/src/Mod/Fem/Gui/TaskCreateNodeSet.cpp
@@ -59,7 +59,7 @@ using namespace Gui;
 
 
 TaskCreateNodeSet::TaskCreateNodeSet(Fem::FemSetNodesObject *pcObject,QWidget *parent)
-    : TaskBox(Gui::BitmapFactory().pixmap("Fem_FemMesh_createnodebypoly"),
+    : TaskBox(Gui::BitmapFactory().pixmap("fem-fem-mesh-create-node-by-poly"),
       tr("Nodes set"),
       true, 
       parent),
diff --git a/src/Mod/Fem/Gui/TaskDriver.cpp b/src/Mod/Fem/Gui/TaskDriver.cpp
index 3b1c8f9de55e..0ed6ae58ccbb 100644
--- a/src/Mod/Fem/Gui/TaskDriver.cpp
+++ b/src/Mod/Fem/Gui/TaskDriver.cpp
@@ -47,7 +47,7 @@ using namespace Gui;
 
 
 TaskDriver::TaskDriver(Fem::FemAnalysis *pcObject,QWidget *parent)
-    : TaskBox(Gui::BitmapFactory().pixmap("Fem_FemMesh_createnodebypoly"),
+    : TaskBox(Gui::BitmapFactory().pixmap("fem-fem-mesh-create-node-by-poly"),
       tr("Nodes set"),
       true, 
       parent),
diff --git a/src/Mod/Fem/Gui/TaskObjectName.cpp b/src/Mod/Fem/Gui/TaskObjectName.cpp
index 55ed8510aabb..a8334cf61a64 100644
--- a/src/Mod/Fem/Gui/TaskObjectName.cpp
+++ b/src/Mod/Fem/Gui/TaskObjectName.cpp
@@ -44,7 +44,7 @@ using namespace FemGui;
 using namespace Gui;
 
 TaskObjectName::TaskObjectName(App::DocumentObject *pcObject,QWidget *parent)
-    : TaskBox(Gui::BitmapFactory().pixmap("Fem_FemMesh_createnodebypoly"),
+    : TaskBox(Gui::BitmapFactory().pixmap("fem-fem-mesh-create-node-by-poly"),
       tr("TaskObjectName"),
       true, 
       parent),
diff --git a/src/Mod/Fem/Gui/TaskTetParameter.cpp b/src/Mod/Fem/Gui/TaskTetParameter.cpp
index 4433dbffab60..07f54aa0625a 100644
--- a/src/Mod/Fem/Gui/TaskTetParameter.cpp
+++ b/src/Mod/Fem/Gui/TaskTetParameter.cpp
@@ -48,7 +48,7 @@ using namespace Gui;
 
 
 TaskTetParameter::TaskTetParameter(Fem::FemMeshShapeNetgenObject *pcObject,QWidget *parent)
-    : TaskBox(Gui::BitmapFactory().pixmap("Fem_FemMesh_createnodebypoly"),
+    : TaskBox(Gui::BitmapFactory().pixmap("fem-fem-mesh-create-node-by-poly"),
       tr("Tet Parameter"),
       true,
       parent),