diff --git a/home/macs.nix b/home/macs.nix
index 95b472f..e5bcd10 100644
--- a/home/macs.nix
+++ b/home/macs.nix
@@ -11,5 +11,5 @@
     host = "*";
     extraOptions."IdentityAgent" = "~/Library/Containers/com.maxgoedjen.Secretive.SecretAgent/Data/socket.ssh";
   };
-  programs.zsh.initExtra = "eval $(/opt/homebrew/bin/brew shellenv)";
+  programs.zsh.initContent = "eval $(/opt/homebrew/bin/brew shellenv)";
 }
diff --git a/home/packages.nix b/home/packages.nix
index ec6fc6b..c8264c0 100644
--- a/home/packages.nix
+++ b/home/packages.nix
@@ -18,7 +18,7 @@ with pkgs; rec {
   net = [dig iperf3 nmap socat tcpdump whois];
 
   # development tools
-  dev = [jq nixfmt gh glab hexyl helix];
+  dev = [jq nixfmt-rfc-style gh glab hexyl helix];
 
   all = base ++ net ++ dev;
 }