diff --git a/tools/install.sh b/tools/install.sh
index b479dc803..2d2936531 100755
--- a/tools/install.sh
+++ b/tools/install.sh
@@ -219,6 +219,11 @@ main() {
 	EOF
 	printf "$RESET"
 
+	if [ ! -t 0 ]; then
+		echo "${YELLOW}Run zsh to try it out.${RESET}"
+		exit
+	fi
+
 	exec zsh -l
 }