diff --git a/dev_system.nix b/dev_system.nix
index 11bedf1..c1c76b0 100644
--- a/dev_system.nix
+++ b/dev_system.nix
@@ -25,7 +25,7 @@ in
 
   networking.firewall = {
     allowedTCPPortRanges = [
-      { from = 8000; to = 8020 }
+      { from = 8000; to = 8020; }
     ];
   };