diff --git a/checkmultiboot.sh b/checkmultiboot.sh
index cf0a37e..7aee917 100755
--- a/checkmultiboot.sh
+++ b/checkmultiboot.sh
@@ -1,5 +1,5 @@
 #!/bin/sh
-if grub-file --is-x86-multiboot kernel; then
+if grub-file --is-x86-multiboot myos.bin; then
   echo multiboot confirmed
 else
   echo the file is not multiboot