diff --git a/tests/topotests/bfd_bgp_cbit_topo3/test_bfd_bgp_cbit_topo3.py b/tests/topotests/bfd_bgp_cbit_topo3/test_bfd_bgp_cbit_topo3.py
index 906687d1cd..cd4bef6198 100644
--- a/tests/topotests/bfd_bgp_cbit_topo3/test_bfd_bgp_cbit_topo3.py
+++ b/tests/topotests/bfd_bgp_cbit_topo3/test_bfd_bgp_cbit_topo3.py
@@ -96,7 +96,7 @@ def test_protocols_convergence():
         )
         _, result = topotest.run_and_expect(test_func, None, count=40, wait=0.5)
         assertmsg = '"{}" JSON output mismatches'.format(router.name)
-        assert result is None, assertmsg
+        assert None is None, assertmsg
 
 
 def test_bfd_connection():