diff --git a/pyproject.toml b/pyproject.toml
index 3c9c7e0..5e68719 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "bluefin_v2_client_sui"
-version = "1.1.7"
+version = "1.1.8"
 description = "Library to interact with Bluefin exchange protocol including its off-chain api-gateway and on-chain contracts"
 readme = "README.md"
 requires-python = ">=3.8"
diff --git a/src/bluefin_rfq_client/rfq.py b/src/bluefin_rfq_client/rfq.py
index 9279ab8..3e22299 100644
--- a/src/bluefin_rfq_client/rfq.py
+++ b/src/bluefin_rfq_client/rfq.py
@@ -244,9 +244,9 @@ def get_vault_coin_balance(self,
             self.url,
             vault,
             strip_hex_prefix(token_type),
-            SUI_STRING_OBJECT_TYPE)
+            SUI_CUSTOM_OBJECT_TYPE)
         try:
-            balance = res["result"]["data"]["content"]["fields"]["value"]
+            balance = res["result"]["data"]["content"]["fields"]["value"]["fields"]["swaps"]
             return balance
         except Exception as e:
             raise Exception("Could not fetch coin balance",e)
diff --git a/src/sui_utils/utilities.py b/src/sui_utils/utilities.py
index c73fce5..9406eb8 100644
--- a/src/sui_utils/utilities.py
+++ b/src/sui_utils/utilities.py
@@ -17,6 +17,7 @@
 BASE_1E6 = 1000000  # 1e6 for USDC token
 BASE_1E9 = 1000000000
 SUI_STRING_OBJECT_TYPE = "0x1::string::String"
+SUI_CUSTOM_OBJECT_TYPE = "0x1::type_name::TypeName"
 
 
 def getsha256Hash(callArgs: list) -> str: