diff --git a/earthaccess/api.py b/earthaccess/api.py
index 93f2f595..7f2c8ef4 100644
--- a/earthaccess/api.py
+++ b/earthaccess/api.py
@@ -174,6 +174,7 @@ def login(
     strategy: str = "all",
     persist: bool = False,
     system: System = PROD,
+    *,
     on_failure: LoginFailureBehavior = "warn",
 ) -> Auth:
     """Authenticate with Earthdata login (https://urs.earthdata.nasa.gov/).