diff --git a/.zshrc b/.zshrc
index 9a2db755..99b5e98d 100644
--- a/.zshrc
+++ b/.zshrc
@@ -57,5 +57,5 @@ command -v direnv > /dev/null 2>&1 && eval "$(direnv hook zsh)"
 command -v starship > /dev/null 2>&1 && eval "$(starship init zsh)"
 
 autoload -U compinit; compinit
-source <(glab completion -s zsh); compdef _glab glab
-source <(gh completion -s zsh); compdef _gh gh
+command -v glab > /dev/null && source <(glab completion -s zsh); compdef _glab glab
+command -v gh > /dev/null && source <(gh completion -s zsh); compdef _gh gh