diff --git a/setup/so-whiptail b/setup/so-whiptail
index 8e137b8f5..08a1d369e 100755
--- a/setup/so-whiptail
+++ b/setup/so-whiptail
@@ -773,7 +773,7 @@ whiptail_install_type_dist() {
 	local exitstatus=$?
 	whiptail_check_exitstatus $exitstatus
 
-	dist_option=$(echo "${option^^}" | tr -d ' ')
+	dist_option=$(echo "${dist_option^^}" | tr -d ' ')
 }
 
 whiptail_install_type_dist_new() {