diff --git a/src/blenderbim/blenderbim/bim/module/model/slab.py b/src/blenderbim/blenderbim/bim/module/model/slab.py
index e43a2d11f6..f805a319cc 100644
--- a/src/blenderbim/blenderbim/bim/module/model/slab.py
+++ b/src/blenderbim/blenderbim/bim/module/model/slab.py
@@ -176,6 +176,8 @@ class DumbSlabGenerator:
             obj.matrix_world = matrix_world
             bpy.context.view_layer.update()
             self.collection.objects.link(obj)
+            rotation = mathutils.Matrix.Rotation(self.x_angle, 4, 'X')
+            obj.matrix_world = rotation
 
         element = blenderbim.core.root.assign_class(
             tool.Ifc,
diff --git a/src/blenderbim/blenderbim/bim/module/model/wall.py b/src/blenderbim/blenderbim/bim/module/model/wall.py
index 789f00cccb..83cd8c46b5 100644
--- a/src/blenderbim/blenderbim/bim/module/model/wall.py
+++ b/src/blenderbim/blenderbim/bim/module/model/wall.py
@@ -278,6 +278,8 @@ class ChangeExtrusionXAngle(bpy.types.Operator, tool.Ifc.Operator):
                     is_global=True,
                     should_sync_changes_first=False,
                 )
+                rotation = mathutils.Matrix.Rotation(x_angle, 4, 'X')
+                obj.matrix_world = rotation
         if wall_objs:
             DumbWallRecalculator().recalculate(wall_objs)
         return {"FINISHED"}