diff --git a/docs/verify-docstrings.py b/docs/verify-docstrings.py
index 3d71a5b2c..632b4a2b6 100644
--- a/docs/verify-docstrings.py
+++ b/docs/verify-docstrings.py
@@ -270,7 +270,7 @@ for mod_name in ['renderdoc', 'qrenderdoc']:
                 namespace = namespace.group(0)
 
             if source is None and namespace is not None:
-                source = re.search('(struct|class|union) I?' + objname + '[^{]*\{.*?^}', headers, re.MULTILINE | re.DOTALL)
+                source = re.search('(struct|class|union) I?' + objname + '[^{]*\{.*?^}', namespace, re.MULTILINE | re.DOTALL)
                 
             source = source.group(0)