diff --git a/apps/emqx_connector/test/emqx_connector_http_tests.erl b/apps/emqx_connector/test/emqx_connector_http_tests.erl
index 8fce34393..8d0fa6d2c 100644
--- a/apps/emqx_connector/test/emqx_connector_http_tests.erl
+++ b/apps/emqx_connector/test/emqx_connector_http_tests.erl
@@ -86,5 +86,5 @@ is_unwrapped_headers(Headers) ->
     lists:all(fun is_unwrapped_header/1, Headers).
 
 is_unwrapped_header({_, V}) when is_function(V) -> false;
-is_unwrapped_header({_, [{str, _V}]}) -> throw(unecpected_tmpl_token);
+is_unwrapped_header({_, [{str, _V}]}) -> throw(unexpected_tmpl_token);
 is_unwrapped_header(_) -> true.