diff --git a/board/opendingux/rs90/linux_defconfig b/board/opendingux/rs90/linux_defconfig
index f705d188570c..a199d1d67593 100644
--- a/board/opendingux/rs90/linux_defconfig
+++ b/board/opendingux/rs90/linux_defconfig
@@ -27,7 +27,7 @@ CONFIG_PROFILING=y
 CONFIG_MACH_INGENIC_SOC=y
 CONFIG_JZ4740_RS90=y
 CONFIG_ZBOOT_LOAD_ADDRESS=0x81000000
-CONFIG_PAGE_SIZE_16KB=y
+CONFIG_PAGE_SIZE_4KB=y
 CONFIG_ARCH_FORCE_MAX_ORDER=7
 # CONFIG_MIPS_FP_SUPPORT is not set
 CONFIG_HZ_24=y