diff --git a/shell.nix b/shell.nix
index 080aca0..e295a36 100644
--- a/shell.nix
+++ b/shell.nix
@@ -10,7 +10,7 @@
   ''
     source /etc/profile
     source ${toString ./.}/env.sh
-    ${toString ./.}/tools/install.sh
+    bazel run //tools:install
 
     # Fancy colorful PS1 to make people notice easily they're in hscloud.
     PS1='\[\033]0;\u/hscloud:\w\007\]'