diff --git a/tests/test_mint.py b/tests/test_mint.py
index 906bfa6..e045c27 100644
--- a/tests/test_mint.py
+++ b/tests/test_mint.py
@@ -41,7 +41,7 @@ def create_metadata(filename: str, mint_total: int, has_targets: bool) -> str:
         if has_targets:
             sample.append(encode_puzzle_hash(bytes32(token_bytes(32)), "xch"))
         metadata.append(sample)
-    with open(filename, "w") as f:
+    with open(filename, "w", newline='') as f:
         writer = csv.writer(f)
         writer.writerows([header] + metadata)
     return filename