diff --git a/zsh/.aliases b/zsh/.aliases
index ec8c81d..017f447 100644
--- a/zsh/.aliases
+++ b/zsh/.aliases
@@ -29,11 +29,12 @@ alias python=python3
 # eza overide
 TREE_IGNORE="cache|log|logs|node_modules|vendor"
 
-alias ls=' eza --group-directories-first'
-alias la=' ls -a'
-alias ll=' ls --git -l'
-alias lt=' ls --tree -D -L 2 -I ${TREE_IGNORE}'
-alias ltt=' ls --tree -D -L 3 -I ${TREE_IGNORE}'
-alias lttt=' ls --tree -D -L 4 -I ${TREE_IGNORE}'
-alias ltttt=' ls --tree -D -L 5 -I ${TREE_IGNORE}'
-
+if type "$foobar_command_name" > /dev/null; then
+  alias ls=' eza --group-directories-first'
+  alias la=' ls -a'
+  alias ll=' ls --git -l'
+  alias lt=' ls --tree -D -L 2 -I ${TREE_IGNORE}'
+  alias ltt=' ls --tree -D -L 3 -I ${TREE_IGNORE}'
+  alias lttt=' ls --tree -D -L 4 -I ${TREE_IGNORE}'
+  alias ltttt=' ls --tree -D -L 5 -I ${TREE_IGNORE}'
+fi