diff --git a/src/main/resources/metadata/tezos.mainnet.conf b/src/main/resources/metadata/tezos.mainnet.conf
index 8ea177980..893474e6c 100644
--- a/src/main/resources/metadata/tezos.mainnet.conf
+++ b/src/main/resources/metadata/tezos.mainnet.conf
@@ -181,6 +181,7 @@
         }
         asof {
           visible: true
+          data-format: "YYYY MMM DD, HH:mm"
           temporal-column: true
         }
         is_baker {