diff --git a/Makefile b/Makefile
index eb7c2c318ebc879d75620500b619b935499c61cb..21070a560433d6d37f13e2003cc018acb50307ee 100644
--- a/Makefile
+++ b/Makefile
@@ -90,7 +90,7 @@ $(strip $1): image_umount_if
 )$(strip $1)__ignore_mount
 endef
 
-RSYNC=rsync -a
+RSYNC=rsync -a --inplace --no-whole-file
 LZMA_FLAGS=-T 0
 
 define archdir =