diff --git a/src/cthulhu/flat_review.py b/src/cthulhu/flat_review.py
index 4fddc25..effc082 100644
--- a/src/cthulhu/flat_review.py
+++ b/src/cthulhu/flat_review.py
@@ -674,6 +674,7 @@ class Context:
         # TODO - JD: This whole thing is pretty hacky. Either do it
         # right or nuke it.
 
+        extents = self._ensureRect(extents)
         indicatorExtents = [extents.x, extents.y, 1, extents.height]
         role = AXObject.get_role(accessible)
         if role == Atspi.Role.TOGGLE_BUTTON: