diff --git a/backend/src/services/integration-auth/integration-auth-service.ts b/backend/src/services/integration-auth/integration-auth-service.ts
index 77f7d96b5..eb17c05bb 100644
--- a/backend/src/services/integration-auth/integration-auth-service.ts
+++ b/backend/src/services/integration-auth/integration-auth-service.ts
@@ -134,7 +134,7 @@ export const integrationAuthServiceFactory = ({
       })
     );
 
-    return filteredAuthorizations.filter((auth) => auth !== null);
+    return filteredAuthorizations.filter((auth): auth is NonNullable<typeof auth> => auth !== null);
   };
 
   const getIntegrationAuth = async ({ actor, id, actorId, actorAuthMethod, actorOrgId }: TGetIntegrationAuthDTO) => {