diff --git a/src/dexorder/contract/dexorder.py b/src/dexorder/contract/dexorder.py
index 2656845..60d4bbc 100644
--- a/src/dexorder/contract/dexorder.py
+++ b/src/dexorder/contract/dexorder.py
@@ -21,11 +21,11 @@ def _load_chain(chain_id: int):
             deployment = json.load(file)
             for tx in deployment['transactions']:
                 if tx['contractName'] == 'VaultFactory':
-                    addr = tx['contractAddress']
+                    addr = to_checksum_address(tx['contractAddress'])
                     _factory[chain_id] = ContractProxy(addr, 'VaultFactory')
                     log.info(f'VaultFactory {addr}')
                 elif tx['contractName'] == 'Dexorder':
-                    addr = tx['contractAddress']
+                    addr = to_checksum_address(tx['contractAddress'])
                     _dexorder[chain_id] = DexorderContract(addr)
                     log.info(f'Dexorder {addr}')
     except FileNotFoundError: