diff --git a/beacon_chain/validator_client/block_service.nim b/beacon_chain/validator_client/block_service.nim
index b311b2c50..3f7f791aa 100644
--- a/beacon_chain/validator_client/block_service.nim
+++ b/beacon_chain/validator_client/block_service.nim
@@ -68,8 +68,8 @@ proc produceBlindedBlock(
       try:
         await vc.produceBlindedBlock(slot, randao_reveal, graffiti,
                                      ApiStrategyKind.Best)
-      except ValidatorApiError:
-        error "Unable to retrieve blinded block data"
+      except ValidatorApiError as exc:
+        error "Unable to retrieve blinded block data", error_msg = exc.msg
         return Opt.none(PreparedBlindedBeaconBlock)
       except CancelledError as exc:
         error "Blinded block data production has been interrupted"