diff --git a/jupyter_server/utils.py b/jupyter_server/utils.py
index 26b6d61754..e6f0430a03 100644
--- a/jupyter_server/utils.py
+++ b/jupyter_server/utils.py
@@ -224,5 +224,7 @@ def wrapped():
             if str(e) == 'This event loop is already running':
                 # just return a Future, hoping that it will be awaited
                 result = asyncio.ensure_future(maybe_async)
+            else:
+                raise e
         return result
-    return wrapped()
\ No newline at end of file
+    return wrapped()