diff --git a/releasetools/gen_uEnv.txt.sh b/releasetools/gen_uEnv.txt.sh
index 6b09133f1..e2a8b79d4 100755
--- a/releasetools/gen_uEnv.txt.sh
+++ b/releasetools/gen_uEnv.txt.sh
@@ -76,7 +76,7 @@ fill_cmd() {
 
 echo "# Set the command to be executed"
 echo "uenvcmd=run $BOOT"
-echo "bootargs=console=$CONSOLE rootdevname=c0d0p1 verbose=$VERBOSE hz=$HZ"
+echo "bootargs=console=$CONSOLE rootdevname=c0d0p1 verbose=$VERBOSE hz=$HZ filemap=0"
 echo
 echo 'bootminix=setenv bootargs \$bootargs board_name=\$board_name ; echo \$bootargs; go  0x80200000 \\\"$bootargs\\\"'
 echo