diff --git a/src/blenderbim/blenderbim/bim/module/style/ui.py b/src/blenderbim/blenderbim/bim/module/style/ui.py
index b2e8868103..b66fc8c69e 100644
--- a/src/blenderbim/blenderbim/bim/module/style/ui.py
+++ b/src/blenderbim/blenderbim/bim/module/style/ui.py
@@ -230,7 +230,7 @@ class BIM_PT_STYLE_GRAPH(Panel):
 
     @classmethod
     def poll(cls, context):
-        return getattr(context, "mat", None)
+        return getattr(context, "material", None)
 
     def draw(self, context):
         layout = self.layout