diff --git a/tests/fsck-tests/013-extent-tree-rebuild/test.sh b/tests/fsck-tests/013-extent-tree-rebuild/test.sh
index cde97db3..7453ed7c 100755
--- a/tests/fsck-tests/013-extent-tree-rebuild/test.sh
+++ b/tests/fsck-tests/013-extent-tree-rebuild/test.sh
@@ -2,6 +2,9 @@
 
 source $TOP/tests/common
 
+check_prereq btrfs-debug-tree
+setup_root_helper
+
 if [ -z $TEST_DEV ]; then
 	echo "    [NOTRUN] extent tree rebuild, need TEST_DEV variant"
 	exit 0
@@ -16,32 +19,32 @@ fi
 test_extent_tree_rebuild()
 {
 	echo "     [TEST]    extent tree rebuild"
-	$TOP/mkfs.btrfs -f $TEST_DEV >> /dev/null 2>&1 || _fail "fail to mkfs"
+	run_check $SUDO_HELPER $TOP/mkfs.btrfs -f $TEST_DEV
 
-	run_check mount $TEST_DEV $TEST_MNT
-	cp -aR /lib/modules/`uname -r`/ $TEST_MNT 2>&1
+	run_check $SUDO_HELPER mount $TEST_DEV $TEST_MNT
+	run_check $SUDO_HELPER cp -aR /lib/modules/`uname -r`/ $TEST_MNT
 
 	for i in `seq 1 100`;do
-		$TOP/btrfs sub snapshot $TEST_MNT \
-			$TEST_MNT/snapaaaaaaa_$i >& /dev/null
+		run_check $SUDO_HELPER $TOP/btrfs sub snapshot $TEST_MNT \
+			$TEST_MNT/snapaaaaaaa_$i
 	done
-	run_check umount $TEST_DEV
+	run_check $SUDO_HELPER umount $TEST_DEV
 
 	# get extent root bytenr
-	extent_root_bytenr=`$TOP/btrfs-debug-tree -r $TEST_DEV | \
+	extent_root_bytenr=`$SUDO_HELPER $TOP/btrfs-debug-tree -r $TEST_DEV | \
 			    grep extent | awk '{print $7}'`
 	if [ -z $extent_root_bytenr ];then
 		_fail "fail to get extent root bytenr"
 	fi
 
 	# corrupt extent root node block
-	run_check $TOP/btrfs-corrupt-block -l $extent_root_bytenr \
+	run_check $SUDO_HELPER $TOP/btrfs-corrupt-block -l $extent_root_bytenr \
 		-b 4096 $TEST_DEV
 
-	$TOP/btrfs check $TEST_DEV >& /dev/null && \
+	$SUDO_HELPER $TOP/btrfs check $TEST_DEV >& /dev/null && \
 			_fail "btrfs check should detect failure"
-	run_check $TOP/btrfs check --init-extent-tree $TEST_DEV
-	run_check $TOP/btrfs check $TEST_DEV
+	run_check $SUDO_HELPER $TOP/btrfs check --init-extent-tree $TEST_DEV
+	run_check $SUDO_HELPER $TOP/btrfs check $TEST_DEV
 }
 
 test_extent_tree_rebuild