diff --git a/hosts/nixos/lapetus/services/jupyter.nix b/hosts/nixos/lapetus/services/jupyter.nix
index 9b5ee54..650b652 100644
--- a/hosts/nixos/lapetus/services/jupyter.nix
+++ b/hosts/nixos/lapetus/services/jupyter.nix
@@ -23,7 +23,7 @@ in
       c.Authenticator.allowed_users = {'adrielus', 'prescientmoon'}
       c.Authenticator.admin_users = {'adrielus', 'prescientmoon'}
 
-      c.Spawner.notebook_dir=${config.users.users.pilot.home}/projects/notebooks
+      c.Spawner.notebook_dir='${config.users.users.pilot.home}/projects/notebooks'
 
       c.SystemdSpawner.mem_limit = '2G'
       c.SystemdSpawner.cpu_limit = 2.0