diff --git a/interop/src/clients/android-interop/src/main/java/com/wire/androidinterop/InteropActionHandler.kt b/interop/src/clients/android-interop/src/main/java/com/wire/androidinterop/InteropActionHandler.kt
index 06301e1bd3..da94f93105 100644
--- a/interop/src/clients/android-interop/src/main/java/com/wire/androidinterop/InteropActionHandler.kt
+++ b/interop/src/clients/android-interop/src/main/java/com/wire/androidinterop/InteropActionHandler.kt
@@ -109,7 +109,7 @@ class InteropActionHandler(val coreCrypto: CoreCrypto) {
                 coreCrypto.transaction { context ->
                     context.processWelcomeMessage(Welcome(action.welcome))
                 }.let {
-                    Result.success(Base64.Default.encode(it.id.copyBytes()))
+                    Result.success(Base64.Default.encode(it.copyBytes()))
                 }
             }
 
diff --git a/interop/src/clients/corecrypto/web/mls.ts b/interop/src/clients/corecrypto/web/mls.ts
index f5efb54aab..14ada68072 100644
--- a/interop/src/clients/corecrypto/web/mls.ts
+++ b/interop/src/clients/corecrypto/web/mls.ts
@@ -101,7 +101,7 @@ export async function processWelcome() {
     const [welcome] = arguments;
     const welcomeMessage = new Welcome(Uint8Array.from(Object.values(welcome)).buffer);
 
-    const { id } = await window.cc.transaction((ctx) =>
+    const id = await window.cc.transaction((ctx) =>
         ctx.processWelcomeMessage(welcomeMessage));
     return new Uint8Array(id.copyBytes());
 }