diff --git a/deploy.nix b/deploy.nix
index 313454e..7468348 100644
--- a/deploy.nix
+++ b/deploy.nix
@@ -1,4 +1,3 @@
-# Deploy with: nix build -f ./deploy.nix HOSTNAME && ./result
 let
   sources = import ./nix/sources.nix;
 
diff --git a/shell.nix b/shell.nix
index 93eb166..807aba4 100644
--- a/shell.nix
+++ b/shell.nix
@@ -20,6 +20,11 @@ let
       git diff --exit-code -s nix/sources.json && echo "Already up to date." && exit 0
       git commit -m "Update sources" nix/sources.json
     '';
+
+    deploy = ''
+      set -e
+      $(nix-build --no-out-link deploy.nix -A "$1")
+    '';
   };
 in
 pkgs.mkShell {