diff --git a/packages/twenty-server/src/engine/core-modules/messaging/utils/format-threads.util.ts b/packages/twenty-server/src/engine/core-modules/messaging/utils/format-threads.util.ts
index c6cf0aedc6..f75d7d71df 100644
--- a/packages/twenty-server/src/engine/core-modules/messaging/utils/format-threads.util.ts
+++ b/packages/twenty-server/src/engine/core-modules/messaging/utils/format-threads.util.ts
@@ -25,7 +25,9 @@ export const formatThreads = (
   return threads
     .filter((thread) => isDefined(threadParticipantsByThreadId[thread.id]))
     .map((thread) => {
-      const visibility = threadVisibilityByThreadId[thread.id];
+      const visibility =
+        threadVisibilityByThreadId[thread.id] ??
+        MessageChannelVisibility.METADATA;
 
       return {
         ...thread,