diff --git a/src/blenderbim/blenderbim/bim/module/style/ui.py b/src/blenderbim/blenderbim/bim/module/style/ui.py
index eb25db8035..0403a55954 100644
--- a/src/blenderbim/blenderbim/bim/module/style/ui.py
+++ b/src/blenderbim/blenderbim/bim/module/style/ui.py
@@ -293,13 +293,13 @@ class BIM_UL_styles(UIList):
 class BIM_PT_style(Panel):
     bl_label = "Style"
     bl_idname = "BIM_PT_style"
-    bl_space_type = 'PROPERTIES'
-    bl_region_type = 'WINDOW'
+    bl_space_type = "PROPERTIES"
+    bl_region_type = "WINDOW"
     bl_context = "material"
 
     @classmethod
     def poll(cls, context):
-        return bool(tool.Ifc.get() and context.material.BIMMaterialProperties.ifc_style_id)
+        return bool(tool.Ifc.get() and (material := context.material) and material.BIMMaterialProperties.ifc_style_id)
 
     def draw(self, context):
         # NOTE: this UI is needed only to indicate whether blender material is linked to IFC