diff --git a/qa/tasks/cephfs/test_client_limits.py b/qa/tasks/cephfs/test_client_limits.py
index 8407e4ff2fa6dd..9b05d84dc020d1 100644
--- a/qa/tasks/cephfs/test_client_limits.py
+++ b/qa/tasks/cephfs/test_client_limits.py
@@ -282,7 +282,7 @@ def test_client_blocklisted_oldest_tid(self):
         self.mds_cluster.is_addr_blocklisted(self.mount_a.get_global_addr())
         # the mds should bump up the relevant perf counter
         pd = self.perf_dump()
-        self.assertGreater(pd['mds_sessions']['md_thresh_evicted'], 0)
+        self.assertGreater(pd['mds_sessions']['mdthresh_evicted'], 0)
 
         # reset the config
         self.config_set('client', 'client inject fixed oldest tid', 'false')