diff --git a/tools/uninstall.sh b/tools/uninstall.sh
index f9da00c9b..488b002e7 100644
--- a/tools/uninstall.sh
+++ b/tools/uninstall.sh
@@ -1,8 +1,8 @@
 read -r -p "Are you sure you want to remove Oh My Zsh? [y/N] " confirmation
-if ! [[ $confirmation =~ ^[yY]$ ]]
+if [ $confirmation = y ] && [ $confirmation = Y ]
 then
-    echo "Uninstall cancelled"
-    exit
+  echo "Uninstall cancelled"
+  exit
 fi
 
 echo "Removing ~/.oh-my-zsh"