diff --git a/moonstreamapi/moonstreamapi/actions.py b/moonstreamapi/moonstreamapi/actions.py
index b1e20a04..60589d77 100644
--- a/moonstreamapi/moonstreamapi/actions.py
+++ b/moonstreamapi/moonstreamapi/actions.py
@@ -94,7 +94,7 @@ class EntityCollectionNotFoundException(Exception):
     """
 
 
-class AddressNotAreSmartContractException(Exception):
+class AddressNotSmartContractException(Exception):
     """
     Raised when address not are smart contract
     """
@@ -801,10 +801,12 @@ def get_list_of_support_interfaces(
     Returns list of interfaces supported by given address
     """
 
-    if not check_if_smartcontract(
+    _, _, is_contract = check_if_smart_contract(
         blockchain_type=blockchain_type, address=address, user_token=user_token
-    )[2]:
-        raise AddressNotAreSmartContractException(f"Address not are smart contract")
+    )
+
+    if not is_contract:
+        raise AddressNotSmartContractException(f"Address not are smart contract")
 
     web3_client = connect(blockchain_type, user_token=user_token)
 
@@ -894,7 +896,7 @@ def get_list_of_support_interfaces(
     return result
 
 
-def check_if_smartcontract(
+def check_if_smart_contract(
     blockchain_type: AvailableBlockchainType,
     address: str,
     user_token: uuid.UUID,
diff --git a/moonstreamapi/moonstreamapi/routes/subscriptions.py b/moonstreamapi/moonstreamapi/routes/subscriptions.py
index 5b39b5a3..c0bd2627 100644
--- a/moonstreamapi/moonstreamapi/routes/subscriptions.py
+++ b/moonstreamapi/moonstreamapi/routes/subscriptions.py
@@ -14,12 +14,12 @@ from moonstreamdb.blockchain import AvailableBlockchainType
 from web3 import Web3
 
 from ..actions import (
-    AddressNotAreSmartContractException,
+    AddressNotSmartContractException,
     validate_abi_json,
     apply_moonworm_tasks,
     get_entity_subscription_collection_id,
     EntityCollectionNotFoundException,
-    check_if_smartcontract,
+    check_if_smart_contract,
     get_list_of_support_interfaces,
 )
 from ..admin import subscription_types
@@ -636,7 +636,7 @@ async def address_info(request: Request, address: str):
             with ThreadPoolExecutor(max_workers=5) as executor:
                 futures.append(
                     executor.submit(
-                        check_if_smartcontract,
+                        check_if_smart_contract,
                         address=address,
                         blockchain_type=blockchain_type,
                         user_token=user_token,
@@ -705,7 +705,7 @@ def get_contract_interfaces(
             address=address,
             user_token=user_token,
         )
-    except AddressNotAreSmartContractException as e:
+    except AddressNotSmartContractException as e:
         raise MoonstreamHTTPException(
             status_code=409,
             detail=str(e),