diff --git a/releasetools/arm_sdimage.sh b/releasetools/arm_sdimage.sh
index da183b468..9bdebca6b 100755
--- a/releasetools/arm_sdimage.sh
+++ b/releasetools/arm_sdimage.sh
@@ -151,7 +151,7 @@ EXTENDED_SIZE=$(($USR_START + $USR_SIZE - $EXTENDED_START))
 #
 # Generate the partitions using sfdisk to partition the
 #
-sfdisk --no-reread -q ${IMG} 1>/dev/null <<END_SFDISK
+sfdisk -L --force --no-reread -q ${IMG} 1>/dev/null <<END_SFDISK
 # partition table of test.img
 unit: sectors