diff --git a/tests/test_blocks.py b/tests/test_blocks.py
index 5ee06baa..3e75b889 100644
--- a/tests/test_blocks.py
+++ b/tests/test_blocks.py
@@ -30,7 +30,7 @@
 
 import pytest
 
-from electrumx.lib.coins import Coin
+from electrumx.lib.coins import AtomicalsCoin
 from electrumx.lib.hash import hex_str_to_hash
 
 BLOCKS_DIR = os.path.join(
@@ -43,7 +43,7 @@
 for name in os.listdir(BLOCKS_DIR):
     try:
         name_parts = name.split("_")
-        coin = Coin.lookup_coin_class(name_parts[0], name_parts[1])
+        coin = AtomicalsCoin.lookup_coin_class(name_parts[0], name_parts[1])
         with open(os.path.join(BLOCKS_DIR, name)) as f:
             blocks.append((coin, json.load(f)))
     except Exception as e:
diff --git a/tests/test_transactions.py b/tests/test_transactions.py
index ad709435..32164daf 100644
--- a/tests/test_transactions.py
+++ b/tests/test_transactions.py
@@ -11,7 +11,7 @@
 
 import pytest
 
-from electrumx.lib.coins import Coin, Namecoin
+from electrumx.lib.coins import AtomicalsCoin, Namecoin
 from electrumx.lib.hash import hash_to_hex_str
 from electrumx.lib.script import OpCodes, Script
 
@@ -25,7 +25,7 @@
 for name in os.listdir(TRANSACTION_DIR):
     try:
         name_parts = name.split("_")
-        coinFound = Coin.lookup_coin_class(name_parts[0], name_parts[1])
+        coinFound = AtomicalsCoin.lookup_coin_class(name_parts[0], name_parts[1])
         with open(os.path.join(TRANSACTION_DIR, name)) as f:
             transactions.append((coinFound, json.load(f)))
     except Exception as e:
@@ -74,4 +74,4 @@ def test_transaction(transaction_details):
                 normalized_name_op_script.append(OpCodes.OP_2DROP)
                 normalized_name_op_script.append(OpCodes.OP_DROP)
                 normalized_name_op_script.append(OpCodes.OP_RETURN)
-                assert coin.name_hashX_from_script(tx_pks) == Coin.hashX_from_script(normalized_name_op_script)
+                assert coin.name_hashX_from_script(tx_pks) == AtomicalsCoin.hashX_from_script(normalized_name_op_script)