diff --git a/src/Mod/Fem/Init.py b/src/Mod/Fem/Init.py
index b49e899ac..f16d523e2 100644
--- a/src/Mod/Fem/Init.py
+++ b/src/Mod/Fem/Init.py
@@ -32,8 +32,8 @@ import FreeCAD
 FreeCAD.addExportType("TetGen file (*.poly)", "convert2TetGen")
 FreeCAD.addImportType("FEM formats (*.unv *.med *.dat *.bdf)", "Fem")
 if("BUILD_FEM_VTK" in FreeCAD.__cmake__):
-    FreeCAD.addImportType("FEM results (*.vtk *.vtp *.vts *.vtr *.vtu *.vti)","Fem")
-    
+    FreeCAD.addImportType("FEM results (*.vtk *.vtp *.vts *.vtr *.vtu *.vti)", "Fem")
+
 FreeCAD.addExportType("FEM formats (*.unv *.med *.dat *.inp)", "Fem")
 FreeCAD.addImportType("CalculiX result (*.frd)", "ccxFrdReader")
 FreeCAD.addImportType("Abaqus file (*.inp)", "FemGui")