diff --git a/configs/mt7622_rfb_defconfig b/configs/mt7622_rfb_defconfig
index a0d33c0..3f18add 100644
--- a/configs/mt7622_rfb_defconfig
+++ b/configs/mt7622_rfb_defconfig
@@ -1,4 +1,5 @@
 CONFIG_ARM=y
+CONFIG_SYS_HAS_NONCACHED_MEMORY=y
 CONFIG_POSITION_INDEPENDENT=y
 CONFIG_ARCH_MEDIATEK=y
 CONFIG_TEXT_BASE=0x41e00000