diff --git a/frontend/src/Widget.jsx b/frontend/src/Widget.jsx
index 9713c4c..365eb8a 100644
--- a/frontend/src/Widget.jsx
+++ b/frontend/src/Widget.jsx
@@ -277,7 +277,7 @@ function Widget() {
 
       const sendMessageCapability = WidgetEventCapability.forRoomEvent(
         EventDirection.Send,
-        'm.message',
+        'm.room.message',
       );
       widgetApi.current.requestCapability(sendMessageCapability.raw);
       widgetApi.current.updateRequestedCapabilities();
@@ -370,7 +370,7 @@ function Widget() {
 
   // TODO: Sign and send a message to the forum-api bot / to a room in matrix
   const registerMatrixIdentity = async () => {
-    await widgetApi.current.sendRoomEvent('m.message', 'test message');
+    await widgetApi.current.sendRoomEvent('m.room.message', 'test message');
   };
 
   /* -------------------------------------------------------------------------------- */