diff --git a/bindings/gumjs/runtime/message-dispatcher.js b/bindings/gumjs/runtime/message-dispatcher.js
index c1d1ba2fc..e6dcabad4 100644
--- a/bindings/gumjs/runtime/message-dispatcher.js
+++ b/bindings/gumjs/runtime/message-dispatcher.js
@@ -70,7 +70,7 @@ function MessageDispatcher() {
   function reply(id, type, result, params = []) {
     if (Array.isArray(result) && result.length === 2 && result[1] instanceof ArrayBuffer) {
       const [value, data] = result;
-      send(['frida:rpc', id, type, value, ...params], data);
+      send(['frida:rpc', id, type, undefined, value, ...params], data);
     } else if (result instanceof ArrayBuffer) {
       send(['frida:rpc', id, type, undefined, ...params], result);
     } else {
diff --git a/tests/gumjs/script.c b/tests/gumjs/script.c
index b442a428b..ded50975f 100644
--- a/tests/gumjs/script.c
+++ b/tests/gumjs/script.c
@@ -6082,7 +6082,7 @@ TESTCASE (method_can_return_value_and_binary_data)
       "};");
   POST_MESSAGE ("[\"frida:rpc\",42,\"call\",\"read\",[]]");
   EXPECT_SEND_MESSAGE_WITH_PAYLOAD_AND_DATA (
-      "[\"frida:rpc\",42,\"ok\",{\"meta\":\"data\"}]",
+      "[\"frida:rpc\",42,\"ok\",null,{\"meta\":\"data\"}]",
       "59 6f");
 }