diff --git a/tests/test_ext_inheritance_diagram.py b/tests/test_ext_inheritance_diagram.py
index 1442a6de84c..3d02854c5b3 100644
--- a/tests/test_ext_inheritance_diagram.py
+++ b/tests/test_ext_inheritance_diagram.py
@@ -144,7 +144,7 @@ def new_run(self):
 # Version: 1.0
 # The remainder of this file is compressed using zlib.
 ''' + zlib.compress(b'''\
-subdir.other.Bob class 1 foo.html -
+subdir.other.Bob py:class 1 foo.html#subdir.other.Bob -
 ''')