diff --git a/init.sh b/init.sh
index e1e14a8..4ac6a47 100755
--- a/init.sh
+++ b/init.sh
@@ -289,7 +289,7 @@ then
             efi_create_key_structure $device $key_mountpoint
             ;; 
         "bios")
-            bio s_create_key_structure $device $key_mountpoint
+            bios_create_key_structure $device $key_mountpoint
             ;;
     esac
     printf "copying all file to USB drive\n"