diff --git a/tests/mode-test b/tests/mode-test
index 4322818b..d16482fd 100755
--- a/tests/mode-test
+++ b/tests/mode-test
@@ -116,14 +116,14 @@ dmcrypt()
 	echo $PASSWORD | $CRYPTSETUP luksFormat --type luks1 -i 1 -c $1 -s 256 /dev/mapper/$DEV_NAME >/dev/null 2>&1
 	if [ $? -eq 0 ] ; then
 		echo -n -e " LUKS1:"
-		echo $PASSWORD | $CRYPTSETUP luksOpen /dev/mapper/$DEV_NAME "$DEV_NAME"_tstdev >/dev/null 2>&1
+		echo $PASSWORD | $CRYPTSETUP luksOpen /dev/mapper/$DEV_NAME "$DEV_NAME"_tstdev >/dev/null 2>&1 || fail
 		dmcrypt_check "$DEV_NAME"_tstdev $OUT
 	fi
 
-	echo $PASSWORD | $CRYPTSETUP luksFormat --type luks2 --pbkdf pbkdf2 -i 1 -c $1 -s 256 /dev/mapper/$DEV_NAME >/dev/null 2>&1
+	echo $PASSWORD | $CRYPTSETUP luksFormat --type luks2 --pbkdf pbkdf2 -i 1 -c $1 -s 256 --offset 8192 /dev/mapper/$DEV_NAME >/dev/null 2>&1
 	if [ $? -eq 0 ] ; then
 		echo -n -e " LUKS2:"
-		echo $PASSWORD | $CRYPTSETUP luksOpen /dev/mapper/$DEV_NAME "$DEV_NAME"_tstdev >/dev/null 2>&1
+		echo $PASSWORD | $CRYPTSETUP luksOpen /dev/mapper/$DEV_NAME "$DEV_NAME"_tstdev >/dev/null 2>&1 || fail
 		dmcrypt_check "$DEV_NAME"_tstdev $OUT
 	fi