diff --git a/src/Mod/Arch/OfflineRenderingUtils.py b/src/Mod/Arch/OfflineRenderingUtils.py
index bfd1776779..408986e126 100755
--- a/src/Mod/Arch/OfflineRenderingUtils.py
+++ b/src/Mod/Arch/OfflineRenderingUtils.py
@@ -122,7 +122,8 @@ class FreeCADGuiHandler(xml.sax.ContentHandler):
     # plus a GuiCameraSettings key that contains an iv repr of a coin camera
 
     def __init__(self):
-
+        
+        super().__init__()
         self.guidata = {}
         self.current = None
         self.properties = {}
diff --git a/src/Mod/Arch/importSH3D.py b/src/Mod/Arch/importSH3D.py
index d7ad2d8737..0bc976faec 100644
--- a/src/Mod/Arch/importSH3D.py
+++ b/src/Mod/Arch/importSH3D.py
@@ -105,7 +105,8 @@ def read(filename):
 class SH3DHandler(xml.sax.ContentHandler):
 
     def __init__(self,z):
-
+        
+        super().__init__()
         self.makeIndividualWalls = False
         self.z = z
         self.windows = []