diff --git a/apps/emqx_exhook/test/props/prop_exhook_hooks.erl b/apps/emqx_exhook/test/props/prop_exhook_hooks.erl
index 34d7a4342..2c9b5bb06 100644
--- a/apps/emqx_exhook/test/props/prop_exhook_hooks.erl
+++ b/apps/emqx_exhook/test/props/prop_exhook_hooks.erl
@@ -642,7 +642,7 @@ unsub_properties() ->
     #{}.
 
 shutdown_reason() ->
-    oneof([utf8(), {shutdown, emqx_proper_types:limited_atom()}]).
+    oneof([utf8(), {shutdown, emqx_proper_types:limited_latin_atom()}]).
 
 authresult() ->
     ?LET(