diff --git a/src/Mod/Arch/ArchWall.py b/src/Mod/Arch/ArchWall.py
index 1f9ab89d7..34c9f0239 100644
--- a/src/Mod/Arch/ArchWall.py
+++ b/src/Mod/Arch/ArchWall.py
@@ -417,7 +417,7 @@ class _Wall(ArchComponent.Component):
         obj.addProperty("App::PropertyEnumeration","Align","Arch",translate("Arch","The alignment of this wall on its base object, if applicable"))
         obj.addProperty("App::PropertyVector","Normal","Arch",translate("Arch","The normal extrusion direction of this object (keep (0,0,0) for automatic normal)"))
         obj.addProperty("App::PropertyInteger","Face","Arch",translate("Arch","The face number of the base object used to build this wall"))
-        obj.addProperty("App::PropertyLength","Offset","Arch",translate("Arch","The offset between this wall and its baseline (only for left and right alignments)"))
+        obj.addProperty("App::PropertyDistance","Offset","Arch",translate("Arch","The offset between this wall and its baseline (only for left and right alignments)"))
         obj.Align = ['Left','Right','Center']
         obj.Role = Roles
         self.Type = "Wall"