diff --git a/src/Mod/Fem/Gui/TaskPostBoxes.cpp b/src/Mod/Fem/Gui/TaskPostBoxes.cpp
index d289db10c7..b07c04d63b 100644
--- a/src/Mod/Fem/Gui/TaskPostBoxes.cpp
+++ b/src/Mod/Fem/Gui/TaskPostBoxes.cpp
@@ -354,7 +354,7 @@ TaskPostDisplay::TaskPostDisplay(Gui::ViewProviderDocumentObject* view, QWidget
     updateEnumerationList(getTypedView<ViewProviderFemPostObject>()->VectorMode, ui->VectorMode);
 
     // get Tranparency from ViewProvider
-    int trans = getTypedView<ViewProviderFemPostObject>()->Transperency.getValue();
+    int trans = getTypedView<ViewProviderFemPostObject>()->Transparency.getValue();
     Base::Console().Log("Transparency %i: \n", trans);
     // sync the trancparency slider
     ui->Transparency->setValue(trans);
@@ -385,7 +385,7 @@ void TaskPostDisplay::on_VectorMode_activated(int i) {
 
 void TaskPostDisplay::on_Transparency_valueChanged(int i) {
 
-    getTypedView<ViewProviderFemPostObject>()->Transperency.setValue(i);
+    getTypedView<ViewProviderFemPostObject>()->Transparency.setValue(i);
 }
 
 void TaskPostDisplay::applyPythonCode() {
diff --git a/src/Mod/Fem/Gui/ViewProviderFemPostObject.cpp b/src/Mod/Fem/Gui/ViewProviderFemPostObject.cpp
index 28578e8479..80640a810b 100644
--- a/src/Mod/Fem/Gui/ViewProviderFemPostObject.cpp
+++ b/src/Mod/Fem/Gui/ViewProviderFemPostObject.cpp
@@ -64,7 +64,7 @@ ViewProviderFemPostObject::ViewProviderFemPostObject() : m_blockPropertyChanges(
      //initialize the properties
     ADD_PROPERTY_TYPE(Field,((long)0), "Coloring", App::Prop_None, "Select the field used for calculating the color");
     ADD_PROPERTY_TYPE(VectorMode,((long)0), "Coloring", App::Prop_None, "Select what to show for a vector field");
-    ADD_PROPERTY(Transperency, (0));
+    ADD_PROPERTY(Transparency, (0));
 
     sPixmap = "fem-femmesh-from-shape";
 
@@ -325,7 +325,7 @@ void ViewProviderFemPostObject::update3D() {
     WritePointData(points, normals, tcoords);
     bool ResetColorBarRange = true;
     WriteColorData(ResetColorBarRange);
-    WriteTransperency();
+    WriteTransparency();
 
     // write out polys if any
     if (pd->GetNumberOfPolys() > 0) {
@@ -491,9 +491,9 @@ void ViewProviderFemPostObject::WriteColorData(bool ResetColorBarRange) {
     m_materialBinding->touch();
 }
 
-void ViewProviderFemPostObject::WriteTransperency() {
+void ViewProviderFemPostObject::WriteTransparency() {
 
-    float trans = float(Transperency.getValue()) / 100.;
+    float trans = float(Transparency.getValue()) / 100.;
     m_material->transparency.setValue(trans);
 }
 
@@ -532,14 +532,14 @@ void ViewProviderFemPostObject::onChanged(const App::Property* prop) {
     if(prop == &Field && setupPipeline()) {
         updateProperties();
         WriteColorData(ResetColorBarRange);
-        WriteTransperency();
+        WriteTransparency();
     }
     else if(prop == &VectorMode && setupPipeline()) {
         WriteColorData(ResetColorBarRange);
-        WriteTransperency();
+        WriteTransparency();
     }
-    else if(prop == &Transperency) {
-        WriteTransperency();
+    else if(prop == &Transparency) {
+        WriteTransparency();
     }
 
     ViewProviderDocumentObject::onChanged(prop);
diff --git a/src/Mod/Fem/Gui/ViewProviderFemPostObject.h b/src/Mod/Fem/Gui/ViewProviderFemPostObject.h
index a8cdff8e0e..89fe259b31 100644
--- a/src/Mod/Fem/Gui/ViewProviderFemPostObject.h
+++ b/src/Mod/Fem/Gui/ViewProviderFemPostObject.h
@@ -80,7 +80,7 @@ public:
 
     App::PropertyEnumeration            Field;
     App::PropertyEnumeration            VectorMode;
-    App::PropertyPercent                Transperency;
+    App::PropertyPercent                Transparency;
 
     void attach(App::DocumentObject *pcObject);
     void setDisplayMode(const char* ModeName);
@@ -150,7 +150,7 @@ private:
     void WritePointData(vtkPoints *points, vtkDataArray *normals,
                         vtkDataArray *tcoords);
     void WriteColorData(bool ResetColorBarRange);
-    void WriteTransperency();
+    void WriteTransparency();
 
     App::Enumeration m_coloringEnum, m_vectorEnum;
     bool m_blockPropertyChanges;