diff --git a/script/void-kaiten-yaki.sh b/script/void-kaiten-yaki.sh
index 50f081b..7e0517d 100644
--- a/script/void-kaiten-yaki.sh
+++ b/script/void-kaiten-yaki.sh
@@ -88,7 +88,7 @@ function main() {
 	grub_check_and_modify &
 
 	# Record the PID of the background checker. 
-	grub_check_and_modify_id = $!
+	grub_check_and_modify_id=$!
 
 	# Start void-installer 
 	void-installer