diff --git a/config/Config-images.in b/config/Config-images.in
index 8ce312fd6..fa219ca44 100644
--- a/config/Config-images.in
+++ b/config/Config-images.in
@@ -298,6 +298,7 @@ menu "Target Images"
 		depends on USES_BOOT_PART
 		default 8 if TARGET_apm821xx_sata
 		default 64 if TARGET_bcm27xx
+		default 32 if TARGET_rockchip
 		default 16
 
 	config TARGET_ROOTFS_PARTSIZE