diff --git a/portal/timeout_lock.py b/portal/timeout_lock.py
index 75f91a6a3..87cc611db 100644
--- a/portal/timeout_lock.py
+++ b/portal/timeout_lock.py
@@ -62,12 +62,8 @@ def __exit__(self, exc_type, exc_value, traceback):
         # To avoid interrupting iterative lock use, return truthy
         # value to stop exception propagation - see PEP
         if exc_type is not None:
-            error_message = f"{exc_type}"
-            if exc_value:
-                error_message += f": {exc_value}"
-            if traceback:
-                error_message += f"; {traceback}"
-            current_app.logger.error(error_message)
+            current_app.logger.exception(
+                "TimeoutLock trapped exception:", exc_info=True)
         return True
 
     def is_locked(self):