diff --git a/test/quicer_reg_SUITE.erl b/test/quicer_reg_SUITE.erl
index a8c48374..32f7b56a 100644
--- a/test/quicer_reg_SUITE.erl
+++ b/test/quicer_reg_SUITE.erl
@@ -167,7 +167,8 @@ tc_shutdown_3_abnormal(_Config) ->
     {ok, Reg} = quicer:new_registration(Name, Profile),
     ?assertEqual({error, badarg}, quicer:shutdown_registration(Reg, 1, 2)),
     ?assertEqual({error, badarg}, quicer:shutdown_registration(Reg, 1, foo)),
-    ?assertEqual({error, badarg}, quicer:shutdown_registration(Reg, true, -1)).
+    ?assertEqual({error, badarg}, quicer:shutdown_registration(Reg, true, -1)),
+    ok = quicer:shutdown_registration(Reg).
 
 tc_shutdown_ok(_Config) ->
     Name = atom_to_list(?FUNCTION_NAME),