diff --git a/home-manager/fish.nix b/home-manager/fish.nix
index 6f82d40..7caf1b3 100644
--- a/home-manager/fish.nix
+++ b/home-manager/fish.nix
@@ -53,6 +53,10 @@
       "e" = "nvim";
       "cdt" = "cd (mktemp -d)";
     };
+    functions = {
+      ns = "nix shell nixpkgs#$argv[1]";
+      nss = "nix shell nixpkgs#$argv[1] -c $argv";
+    };
 
     shellAbbrs = {
       "-h" = {