diff --git a/configs/mt7629_rfb_defconfig b/configs/mt7629_rfb_defconfig
index b5dbbea..d7669d5 100644
--- a/configs/mt7629_rfb_defconfig
+++ b/configs/mt7629_rfb_defconfig
@@ -1,4 +1,5 @@
 CONFIG_ARM=y
+CONFIG_SYS_HAS_NONCACHED_MEMORY=y
 CONFIG_SYS_ARCH_TIMER=y
 CONFIG_SYS_THUMB_BUILD=y
 CONFIG_ARCH_MEDIATEK=y