diff --git a/lfs/flash-images b/lfs/flash-images
index 6c8818059..530bf339b 100644
--- a/lfs/flash-images
+++ b/lfs/flash-images
@@ -211,6 +211,7 @@ endif
 	-fsck.ext4 -f -y $(PART_ROOT)
 	fsck.ext4 -f -y $(PART_ROOT)
 
+	sleep 10     #Ubuntu compiling: allow time to automount/dismount
 	kpartx -d -v $(DEVICE)
 	losetup -d $(DEVICE)