diff --git a/Tools/gdb/libpython.py b/Tools/gdb/libpython.py
index 33bf5ac..83a5fa9 100755
--- a/Tools/gdb/libpython.py
+++ b/Tools/gdb/libpython.py
@@ -1605,8 +1605,8 @@ def is_waiting_for_gil(self):
             return (name == 'take_gil')
 
     def is_gc_collect(self):
-        '''Is this frame "collect" within the garbage-collector?'''
-        return self._gdbframe.name() == 'collect'
+        '''Is this frame gc_collect_main() within the garbage-collector?'''
+        return self._gdbframe.name() in ('collect', 'gc_collect_main')
 
     def get_pyop(self):
         try: