diff --git a/common/dmflakey b/common/dmflakey
index bc984bda..e55aefdd 100644
--- a/common/dmflakey
+++ b/common/dmflakey
@@ -29,6 +29,7 @@ _init_flakey()
 	FLAKEY_TABLE_DROP="0 $BLK_DEV_SIZE flakey $SCRATCH_DEV 0 0 180 1 drop_writes"
 	$DMSETUP_PROG create flakey-test --table "$FLAKEY_TABLE" || \
 		_fatal "failed to create flakey device"
+	$DMSETUP_PROG mknodes > /dev/null 2>&1
 }
 
 _mount_flakey()
@@ -48,6 +49,7 @@ _cleanup_flakey()
 	$DMSETUP_PROG resume flakey-test > /dev/null 2>&1
 	$UMOUNT_PROG $SCRATCH_MNT > /dev/null 2>&1
 	$DMSETUP_PROG remove flakey-test > /dev/null 2>&1
+	$DMSETUP_PROG mknodes > /dev/null 2>&1
 }
 
 # _load_flakey_table <table> [lockfs]