diff --git a/backend/src/server/routes/v1/project-router.ts b/backend/src/server/routes/v1/project-router.ts
index 030d9c91c..2496d8f62 100644
--- a/backend/src/server/routes/v1/project-router.ts
+++ b/backend/src/server/routes/v1/project-router.ts
@@ -760,6 +760,7 @@ export const registerProjectRouter = async (server: FastifyZodProvider) => {
         comment: z
           .string()
           .trim()
+          .max(2500)
           .refine(
             (val) =>
               characterValidator([