diff --git a/tljh/installer.py b/tljh/installer.py
index ee5efe2..a6707ca 100644
--- a/tljh/installer.py
+++ b/tljh/installer.py
@@ -73,4 +73,4 @@ conda.ensure_conda_packages(USER_ENV_PREFIX, [
 ])
 systemd.reload_daemon()
 systemd.start_service('configurable-http-proxy')
-systemd.start_service('jupyterhub')
+systemd.restart_service('jupyterhub')
diff --git a/tljh/systemd.py b/tljh/systemd.py
index cef33e6..1951da7 100644
--- a/tljh/systemd.py
+++ b/tljh/systemd.py
@@ -46,3 +46,14 @@ def start_service(name):
         'start',
         name
     ], check=True)
+
+
+def restart_service(name):
+    """
+    Restart service with given name.
+    """
+    subprocess.run([
+        'systemctl',
+        'restart',
+        name
+    ], check=True)