diff --git a/src/st/st-widget.c b/src/st/st-widget.c
index 09b282413..7057e9095 100644
--- a/src/st/st-widget.c
+++ b/src/st/st-widget.c
@@ -565,7 +565,8 @@ st_widget_get_theme_node (StWidget *widget)
 
       if (stage == NULL)
         {
-          g_error ("st_widget_get_theme_node called on a widget not in a stage");
+          g_error ("st_widget_get_theme_node called on the widget %s which is not in the stage.",
+                    st_describe_actor (CLUTTER_ACTOR (widget)));
         }
 
       if (parent_node == NULL)