diff --git a/releasetools.py b/releasetools.py
index ae5692e..a9d12b4 100644
--- a/releasetools.py
+++ b/releasetools.py
@@ -25,6 +25,11 @@
   else:
     WriteBootloader(info, bootloader_img)
 
+def IncrementalOTA_InstallBegin(info):
+  info.script.Unmount("/system")
+  info.script.TunePartition("/system", "-O", "^has_journal")
+  info.script.Mount("/system")
+
 def IncrementalOTA_VerifyEnd(info):
   # try:
   #   target_radio_img = info.target_zip.read("RADIO/radio.img")