diff --git a/jupyterhub_config.py b/jupyterhub_config.py
index b0c7e78b70fcaa9ab479985853bf5a6c1d3513d2..8684e8fffe58a3220e5ce8901e15f649e69099ce 100644
--- a/jupyterhub_config.py
+++ b/jupyterhub_config.py
@@ -1140,6 +1140,10 @@ c.DockerSpawner.notebook_dir = notebook_dir
 # notebook directory in the container
 c.DockerSpawner.volumes = {"/cache/jupyterhub/users/{username}": notebook_dir}
 
+c.SwarmSpawner.environment = {
+    'NB_UID': 8983
+}
+
 # Remove containers once they are stopped
 c.DockerSpawner.remove = False