diff --git a/packages/backend/src/apps/signalwire/actions/send-sms/index.js b/packages/backend/src/apps/signalwire/actions/send-sms/index.js
index 152ab8d2..3c7487af 100644
--- a/packages/backend/src/apps/signalwire/actions/send-sms/index.js
+++ b/packages/backend/src/apps/signalwire/actions/send-sms/index.js
@@ -19,7 +19,7 @@ export default defineAction({
         arguments: [
           {
             name: 'key',
-            value: 'listIncomingPhoneNumbers',
+            value: 'listIncomingSmsPhoneNumbers',
           },
         ],
       },