diff --git a/src/blenderbim/blenderbim/bim/module/model/wall.py b/src/blenderbim/blenderbim/bim/module/model/wall.py
index 5e096e4da7..174fd97e2d 100644
--- a/src/blenderbim/blenderbim/bim/module/model/wall.py
+++ b/src/blenderbim/blenderbim/bim/module/model/wall.py
@@ -240,7 +240,7 @@ class ChangeExtrusionXAngle(bpy.types.Operator, tool.Ifc.Operator):
     bl_idname = "bim.change_extrusion_x_angle"
     bl_label = "Change Extrusion X Angle"
     bl_options = {"REGISTER", "UNDO"}
-    x_angle: bpy.props.FloatProperty()
+    x_angle: bpy.props.FloatProperty(name="X Angle", default=0, subtype="ANGLE")
 
     @classmethod
     def poll(cls, context):