diff --git a/types.json b/types.json
index 09ce1b82e..629dfec45 100644
--- a/types.json
+++ b/types.json
@@ -9,6 +9,7 @@
     },
     "CurrencyIdOf": "CurrencyId",
     "Amount": "i128",
-    "AmountOf": "Amount"
+    "AmountOf": "Amount",
+    "TAssetsBalance": "u128"
 }