diff --git a/src/Mod/Arch/ArchStructure.py b/src/Mod/Arch/ArchStructure.py
index 81de3c8b52..68962657ab 100644
--- a/src/Mod/Arch/ArchStructure.py
+++ b/src/Mod/Arch/ArchStructure.py
@@ -883,15 +883,15 @@ class _Structure(ArchComponent.Component):
             extdata = self.getExtrusionData(obj)
             if extdata and not isinstance(extdata[0],list):
                 nodes = extdata[0]
-                ev = extdata[2].Rotation.multVec(extdata[1])
-                nodes.Placement = nodes.Placement.multiply(extdata[2])
                 if IfcType not in ["Slab"]:
                     if not isinstance(extdata[1], FreeCAD.Vector):
                         nodes = extdata[1]
                     elif extdata[1].Length > 0:
                         if hasattr(nodes,"CenterOfMass"):
                             import Part
-                            nodes = Part.LineSegment(nodes.CenterOfMass,nodes.CenterOfMass.add(ev)).toShape()
+                            nodes = Part.LineSegment(nodes.CenterOfMass,nodes.CenterOfMass.add(extdata[1])).toShape()
+                if isinstance(extdata[1], FreeCAD.Vector):
+                    nodes.Placement = nodes.Placement.multiply(extdata[2])
             offset = FreeCAD.Vector()
             if hasattr(obj,"NodesOffset"):
                 offset = FreeCAD.Vector(0,0,obj.NodesOffset.Value)