diff --git a/initcpio/hooks/miso_loop_mnt b/initcpio/hooks/miso_loop_mnt
index 6c16210..72ef9ea 100644
--- a/initcpio/hooks/miso_loop_mnt
+++ b/initcpio/hooks/miso_loop_mnt
@@ -35,6 +35,6 @@ miso_loop_mount_handler () {
         msg "::: Deataching loop device ${_dev_loop}"
         losetup -d ${_dev_loop}
         msg "::: Unmounting ${img_dev}"
-        umount ${img_dev}
+        umount -d ${img_dev}
     fi
 }