diff --git a/tests/integration/test_auth.py b/tests/integration/test_auth.py
index d1bfae1e..a4879d12 100644
--- a/tests/integration/test_auth.py
+++ b/tests/integration/test_auth.py
@@ -30,7 +30,7 @@ def activate_netrc():
         f.write(
             f"machine urs.earthdata.nasa.gov login {username} password {password}\n"
         )
-        os.chmod(NETRC_PATH, 0o600)
+        NETRC_PATH.chmod(0o600)
 
 
 def delete_netrc():