diff --git a/src/Mod/Draft/Draft.py b/src/Mod/Draft/Draft.py
index 6124044ae..3fb2ced1c 100644
--- a/src/Mod/Draft/Draft.py
+++ b/src/Mod/Draft/Draft.py
@@ -1114,13 +1114,14 @@ def makeVisGroup(group=None,name="VisGroup"):
         group.addObject(obj)
     return obj
 
-def extrude(obj,vector):
+def extrude(obj,vector,solid=False):
     '''makeExtrusion(object,vector): extrudes the given object
     in the direction given by the vector. The original object
     gets hidden.'''
     newobj = FreeCAD.ActiveDocument.addObject("Part::Extrusion","Extrusion")
     newobj.Base = obj
     newobj.Dir = vector
+    newobj.Solid = solid
     obj.ViewObject.Visibility = False
     formatObject(newobj,obj)
     FreeCAD.ActiveDocument.recompute()
diff --git a/src/Mod/Draft/DraftTools.py b/src/Mod/Draft/DraftTools.py
index 857e23a25..ce902603d 100644
--- a/src/Mod/Draft/DraftTools.py
+++ b/src/Mod/Draft/DraftTools.py
@@ -2885,7 +2885,7 @@ class Trimex(Modifier):
             delta = self.extrude(self.shift,real=True)
             #print("delta",delta)
             self.doc.openTransaction("Extrude")
-            obj = Draft.extrude(self.obj,delta)
+            obj = Draft.extrude(self.obj,delta,solid=True)
             self.doc.commitTransaction()
             self.obj = obj
         else: