diff --git a/jupyterhub_config.py b/jupyterhub_config.py
index 8684e8fffe58a3220e5ce8901e15f649e69099ce..490ca1485d6631301cd4cd0a9d7414262d8b2541 100644
--- a/jupyterhub_config.py
+++ b/jupyterhub_config.py
@@ -1141,7 +1141,7 @@ c.DockerSpawner.notebook_dir = notebook_dir
 c.DockerSpawner.volumes = {"/cache/jupyterhub/users/{username}": notebook_dir}
 
 c.SwarmSpawner.environment = {
-    'NB_UID': 8983
+    'NB_UID': 8963
 }
 
 # Remove containers once they are stopped