diff --git a/garlic/shell.nix b/garlic/shell.nix
index 4516ea1d..145a20ad 100644
--- a/garlic/shell.nix
+++ b/garlic/shell.nix
@@ -10,7 +10,7 @@ mkShell {
     # Packages from garlic
     (with garlic; [ tool garlicd ]) ++
     # Packages from bsc
-    [ groff paraver icc nix openssh git cn6 ];
+    [ groff paraver icc nix openssh git cn6 nix-diff ];
 
   # inputsFrom to get build dependencies