diff --git a/flake.nix b/flake.nix
index 2153c59..c5f6590 100644
--- a/flake.nix
+++ b/flake.nix
@@ -91,7 +91,7 @@
 
                 ExecStart = ''
                   ${gunicorn}/bin/gunicorn "raincloud:create_app('${cfg.basePath}', '${cfg.cloudName}')" \
-                    --timeout 300
+                    --timeout 300 \
                     --bind=${cfg.address}:${toString cfg.port}
                 '';
               };