diff --git a/backend/src/server/routes/v3/secret-router.ts b/backend/src/server/routes/v3/secret-router.ts
index 2ce8f5463..d9613846e 100644
--- a/backend/src/server/routes/v3/secret-router.ts
+++ b/backend/src/server/routes/v3/secret-router.ts
@@ -83,6 +83,9 @@ export const registerSecretRouter = async (server: FastifyZodProvider) => {
           actor: req.permission.type,
           actorOrgId: req.permission.orgId
         });
+
+        if (!workspace) throw new BadRequestError({ message: `No project found with slug ${req.query.workspaceSlug}` });
+
         workspaceId = workspace.id;
       }