diff --git a/tests/ts/mount/fstab-all b/tests/ts/mount/fstab-all
index 1f53bacc9..e8f0c9ea4 100755
--- a/tests/ts/mount/fstab-all
+++ b/tests/ts/mount/fstab-all
@@ -22,6 +22,7 @@ ts_scsi_debug_init dev_size_mb=50
 
 ts_log "Create partitions"
 $TS_CMD_FDISK ${TS_DEVICE} &> /dev/null <<EOF
+o
 n
 p
 1
diff --git a/tests/ts/mount/umount-alltargets b/tests/ts/mount/umount-alltargets
index 4f2a0f1b5..1be8c4be4 100755
--- a/tests/ts/mount/umount-alltargets
+++ b/tests/ts/mount/umount-alltargets
@@ -28,6 +28,7 @@ ts_scsi_debug_init dev_size_mb=50
 
 ts_log "Create partitions"
 $TS_CMD_FDISK ${TS_DEVICE} &> /dev/null <<EOF
+o
 n
 p
 1
diff --git a/tests/ts/mount/umount-recursive b/tests/ts/mount/umount-recursive
index 7857fe3a4..90ca0272a 100755
--- a/tests/ts/mount/umount-recursive
+++ b/tests/ts/mount/umount-recursive
@@ -24,6 +24,7 @@ ts_scsi_debug_init dev_size_mb=50
 
 ts_log "Create partitions"
 $TS_CMD_FDISK ${TS_DEVICE} &> /dev/null <<EOF
+o
 n
 p
 1