diff --git a/tools/install.sh b/tools/install.sh
index 6fe59b3a3..29a883ff9 100755
--- a/tools/install.sh
+++ b/tools/install.sh
@@ -28,7 +28,7 @@ echo "\033[0;34mCopying your current PATH and adding it to the end of ~/.zshrc f
 echo "export PATH=$PATH" >> ~/.zshrc
 
 echo "\033[0;34mTime to change your default shell to zsh!\033[0m"
-chsh -s `which zsh`
+chsh -s `command -v zsh`
 
 echo "\033[0;32m"'         __                                     __   '"\033[0m"
 echo "\033[0;32m"'  ____  / /_     ____ ___  __  __   ____  _____/ /_  '"\033[0m"