diff --git a/modules/cli/default.nix b/modules/cli/default.nix
index e528795..c322afe 100644
--- a/modules/cli/default.nix
+++ b/modules/cli/default.nix
@@ -96,7 +96,7 @@
   programs.bash.interactiveShellInit = ''
     stty -ixon
     alias p=python3
-    alias hd=hexdump -C
+    alias hd='hexdump -C'
     alias catc='${pkgs.vimpager-latest}/bin/vimpager --force-passthrough'
     alias nix-env="echo nix-env is disabled #"
   '';