diff --git a/apps/server/src/api/v2/slack/events.ts b/apps/server/src/api/v2/slack/events.ts
index ffc58527a..be3948656 100644
--- a/apps/server/src/api/v2/slack/events.ts
+++ b/apps/server/src/api/v2/slack/events.ts
@@ -147,6 +147,12 @@ export async function handleSlackEventsEndpoint(c: Context) {
   try {
     // Process the event
     const response = await eventsHandler(payload);
+    
+    // Ensure we never return success: false without throwing
+    if (!response.success) {
+      throw new Error('Event processing failed');
+    }
+    
     return c.json(response);
   } catch (error) {
     // Handle authentication errors