diff --git a/nix/shell/zsh.nix b/nix/shell/zsh.nix
index 0d5cf07..80f09eb 100644
--- a/nix/shell/zsh.nix
+++ b/nix/shell/zsh.nix
@@ -51,6 +51,10 @@ in
           source "$HOME/.ghcup/env"
         fi
       '';
+
+      initExtra = ''
+        eval "$(cat $HOME/repos/tas/shell/zsh)"
+      '';
     };
   };
 }