diff --git a/twake/backend/node/src/services/messages/services/engine/processors/links/index.ts b/twake/backend/node/src/services/messages/services/engine/processors/links/index.ts
index aaac74cf06..5a9c9f3bd4 100644
--- a/twake/backend/node/src/services/messages/services/engine/processors/links/index.ts
+++ b/twake/backend/node/src/services/messages/services/engine/processors/links/index.ts
@@ -64,7 +64,7 @@ export class MessageLinksPreviewFinishedProcessor
       resource: entity,
     };
 
-    for (const participant of thread.participants) {
+    for (const participant of thread.participants.filter(p => p.type === "channel")) {
       publishMessageInRealtime(updatedMessage, participant);
     }