diff --git a/config/kernel/linux-sunxi64-edge.config b/config/kernel/linux-sunxi64-edge.config
index 96486264a..baf93745f 100644
--- a/config/kernel/linux-sunxi64-edge.config
+++ b/config/kernel/linux-sunxi64-edge.config
@@ -664,7 +664,7 @@ CONFIG_ATA_GENERIC=m
 CONFIG_MD=y
 CONFIG_BCACHE=m
 CONFIG_BCACHE_ASYNC_REGISTRATION=y
-CONFIG_BLK_DEV_DM=m
+CONFIG_BLK_DEV_DM=y
 CONFIG_DM_CRYPT=m
 CONFIG_DM_THIN_PROVISIONING=m
 CONFIG_DM_INIT=y