diff --git a/flake.nix b/flake.nix
index 0f183d6..8ee60f5 100644
--- a/flake.nix
+++ b/flake.nix
@@ -17,7 +17,7 @@
             text =
               let
                 vars = [ "PLEX_CLAIM" "PLEX_ADVERTISE_IP" "FIREFLY_APP_KEY" ];
-                varRow = var: "${var}: '\$${var}'";
+                varRow = var: "${var}: '\$${var}',";
               in
               ''
                 jsonnet services.jsonnet \