diff --git a/04-main.sh b/04-main.sh
index 0f9a4f7..dafd53b 100644
--- a/04-main.sh
+++ b/04-main.sh
@@ -69,7 +69,7 @@ if [ "$MENU" = "zenity" ] ; then
 
 elif [ "$MENU" = "term" ] ; then
     term_prompt info "$PROMPT_WELCOME"
-    read -r NULL
+    read -r nil
     ! command -v curl >/dev/null 2>&1 && term_prompt error "$PROMPT_ERR_DEPS curl" && exit 1
 
     # Serial number is required for download