diff --git a/packages/validator/src/services/block.ts b/packages/validator/src/services/block.ts
index 984550791384..a28f7c019d0b 100644
--- a/packages/validator/src/services/block.ts
+++ b/packages/validator/src/services/block.ts
@@ -212,7 +212,7 @@ export class BlockProposingService {
       blindedLocal,
       builderBoostFactor,
     });
-    ApiError.assert(res, "Failed to produce block: validator.produceBlockV2");
+    ApiError.assert(res, "Failed to produce block: validator.produceBlockV3");
     const {response} = res;
 
     const debugLogCtx = {