diff --git a/zsh/aliases/00-default.conf b/zsh/aliases/00-default.conf
index c5025ba..2513b83 100644
--- a/zsh/aliases/00-default.conf
+++ b/zsh/aliases/00-default.conf
@@ -2,7 +2,7 @@
 # index.
 
 # Files navigation.
-if [[ -z "$BAZZITE_CLI" ]]; then
+if [[ -z "${BAZZITE_CLI}" ]]; then
     alias ls="ls --color"
     alias sl="ls --color"
 else