diff --git a/configs/openrd_ultimate_defconfig b/configs/openrd_ultimate_defconfig
index d6dcbb6..589e248 100644
--- a/configs/openrd_ultimate_defconfig
+++ b/configs/openrd_ultimate_defconfig
@@ -1,4 +1,5 @@
 CONFIG_ARM=y
+CONFIG_SYS_DCACHE_OFF=y
 CONFIG_SYS_THUMB_BUILD=y
 CONFIG_KIRKWOOD=y
 CONFIG_SYS_TEXT_BASE=0x600000