diff --git a/_data/chains/eip155-79.json b/_data/chains/eip155-79.json
index bfb31dd2..042638e3 100644
--- a/_data/chains/eip155-79.json
+++ b/_data/chains/eip155-79.json
@@ -14,6 +14,7 @@
     "infoURL": "https://www.zenithchain.co/",
     "chainId": 79,
     "networkId": 79,
+    "shortName": "zenith",
     "explorers": [{
       "name": "zenith scan",
       "url": "https://scan.zenithchain.co",
diff --git a/_data/chains/eip155-81.json b/_data/chains/eip155-81.json
index 27df123b..1e76ea3c 100644
--- a/_data/chains/eip155-81.json
+++ b/_data/chains/eip155-81.json
@@ -13,6 +13,7 @@
     "infoURL": "https://www.zenithchain.co/",
     "chainId": 81,
     "networkId": 81,
+    "shortName": "tzenith",
     "explorers": [{
       "name": "villinius zenith scan",
       "url": "https://vilinius.scan.zenithchain.co",