diff --git a/src/bonsai/bonsai/bim/module/drawing/decoration.py b/src/bonsai/bonsai/bim/module/drawing/decoration.py
index f2b52d4c5c..cb309211e9 100644
--- a/src/bonsai/bonsai/bim/module/drawing/decoration.py
+++ b/src/bonsai/bonsai/bim/module/drawing/decoration.py
@@ -1204,7 +1204,19 @@ class PlanLevelDecorator(BaseDecorator):
                 text_dir *= -1
 
             def get_text():
-                z = verts[0].z
+                abs_z = verts[0].z
+                z = abs_z
+
+                if element:
+                    spatial_container = ifcopenshell.util.element.get_container(element)
+
+                    if spatial_container:
+                        container_obj = tool.Ifc.get_object(spatial_container)
+
+                        if container_obj:
+                            spatial_container_z = container_obj.matrix_world.translation.z
+                            z = abs_z - spatial_container_z
+
                 rl = self.format_value(context, z)
                 text = "{}{}".format("" if z < 0 else "+", rl)
                 return text