diff --git a/packages/client-slack/src/messages.ts b/packages/client-slack/src/messages.ts
index 4b94c759f30..b7f8b204549 100644
--- a/packages/client-slack/src/messages.ts
+++ b/packages/client-slack/src/messages.ts
@@ -245,6 +245,15 @@ export class MessageManager {
                     `${event.ts}-${this.runtime.agentId}`
                 );
 
+                // Ensure both the sender and agent are properly set up in the room
+                await this.runtime.ensureConnection(
+                    userId,
+                    roomId,
+                    event.user,
+                    event.user,
+                    "slack"
+                );
+
                 // Create initial memory
                 console.log("💾 Step 5: Creating initial memory");
                 const content: Content = {