diff --git a/door_pi_control/nfc.py b/door_pi_control/nfc.py
index cf4caf1..3652927 100644
--- a/door_pi_control/nfc.py
+++ b/door_pi_control/nfc.py
@@ -45,7 +45,7 @@ class DoorControlNfc(util.Loggable):
                                 else:
                                     valid_thru = None
                             except Exception:
-                                self._logger().error(f"Could not parse valid thru date for token {token} in line {i}")
+                                self._logger().exception(f"Could not parse valid thru date {valid_thru} for token {token} in line {i+1}")
                                 valid_thru = None
                             self._logger().debug(f"Got token {token} associated with {name} <{email}> of {organization}, valid thru {valid_thru}")
                             if token in valid: