diff --git a/apps/server/src/integrations/environment/environment.service.ts b/apps/server/src/integrations/environment/environment.service.ts
index 1df273896..de1747bd0 100644
--- a/apps/server/src/integrations/environment/environment.service.ts
+++ b/apps/server/src/integrations/environment/environment.service.ts
@@ -362,6 +362,6 @@ export class EnvironmentService {
   }
 
   getSlackSigningSecret(): string | undefined {
-    return this.configService.get<string>('SLACK_SIGNING_SECRET');
+    return this.configService.get<string>('INTEGRATION_SLACK_SIGNING_SECRET');
   }
 }