diff --git a/src/cowmachine_decision_core.erl b/src/cowmachine_decision_core.erl
index 357c5af..68a1323 100644
--- a/src/cowmachine_decision_core.erl
+++ b/src/cowmachine_decision_core.erl
@@ -789,7 +789,7 @@ process_helper(ContentTypeAccepted, State, Context) ->
         {error, _} -> Result;
         true -> Result;
         false -> Result;
-        RespBody when is_binary(RespBody); is_list(RespBody) ->
+        RespBody ->
             C3 = cowmachine_req:set_resp_body(RespBody, C2),
             {body, S2, C3}
     end.