diff --git a/test b/test
index cec057c..939410c 100755
--- a/test
+++ b/test
@@ -256,7 +256,7 @@ testdev() {
    dvsize=$3
    chunk=$4
    if [ -z "$5" ]; then
-      mkfs -j $dev > /dev/null 2>&1 && fsck -fn $dev >&2
+      mkfs.ext3 -F -j $dev > /dev/null 2>&1 && fsck -fn $dev >&2
    fi
    dsize=$[dvsize/chunk]
    dsize=$[dsize*chunk]
diff --git a/tests/10ddf-fail-readd b/tests/10ddf-fail-readd
index 411d35b..9cd7893 100644
--- a/tests/10ddf-fail-readd
+++ b/tests/10ddf-fail-readd
@@ -10,7 +10,7 @@ mdadm -CR $container -e ddf -l container -n 2 $dev8 $dev9
 mdadm -CR $member0 -l raid1 -n 2 $container
 #$dir/mdadm -CR $member0 -l raid1 -n 2 $container >/tmp/mdmon.txt 2>&1
 
-mke2fs $member0
+mke2fs -F $member0
 check wait
 
 set -- $(get_raiddisks $member0)
diff --git a/tests/10ddf-fail-stop-readd b/tests/10ddf-fail-stop-readd
index 34aeaf5..f8ebe17 100644
--- a/tests/10ddf-fail-stop-readd
+++ b/tests/10ddf-fail-stop-readd
@@ -11,7 +11,7 @@ mdadm -CR $member0 -l raid1 -n 2 $container
 #$dir/mdadm -CR $member0 -l raid1 -n 2 $container >/tmp/mdmon.txt 2>&1
 
 # Write to the array
-mke2fs $member0
+mke2fs -F $member0
 check wait
 
 set -- $(get_raiddisks $member0)
@@ -33,7 +33,7 @@ mdadm -I $good0
 mdadm -IRs || true
 
 # Write to the array
-mke2fs $member0
+mke2fs -F $member0
 
 # We re-add the disk now
 mdadm $container --add $fail0
diff --git a/tests/10ddf-incremental-wrong-order b/tests/10ddf-incremental-wrong-order
index 1c088c1..9ecf6bc 100644
--- a/tests/10ddf-incremental-wrong-order
+++ b/tests/10ddf-incremental-wrong-order
@@ -17,8 +17,8 @@ mdadm -CR $member0 -n 2 -l 1 $dev8 $dev9 -z 10000
 mdadm --wait $member0 || true
 mdadm --wait $member1 || true
 
-mke2fs $member0
-mke2fs $member1
+mke2fs -F $member0
+mke2fs -F $member1
 sha_0a=$(sha1_sum $member0)
 sha_1a=$(sha1_sum $member1)