diff --git a/modules/cli/default.nix b/modules/cli/default.nix
index 3a4a8bb..9c44151 100644
--- a/modules/cli/default.nix
+++ b/modules/cli/default.nix
@@ -102,6 +102,7 @@
     alias nix-env="echo nix-env is disabled #"
     alias nix-what-depends-on='nix-store --query --referrers'
     alias day='date "+%Y-%m-%d"'
+    alias grep='grep --color=auto'
   '' +
   # compatibility for programs that need $NIX_PATH set:
   lib.concatMapStrings