diff --git a/lib/quickjs/quickjs_runtime2.dart b/lib/quickjs/quickjs_runtime2.dart
index 4ac2fe0..a9ecfe6 100644
--- a/lib/quickjs/quickjs_runtime2.dart
+++ b/lib/quickjs/quickjs_runtime2.dart
@@ -235,7 +235,7 @@ class QuickJsRuntime2 extends JavascriptRuntime {
             .channelFunctionsRegistered[getEngineInstanceId()]!;
 
         if (channelFunctions.containsKey(channelName)) {
-          channelFunctions[channelName]!.call(jsonDecode(message));
+          return channelFunctions[channelName]!.call(jsonDecode(message));
         } else {
           print('No channel $channelName registered');
         }