diff --git a/arch/arm/configs/rk3036_defconfig b/arch/arm/configs/rk3036_defconfig
index eac3590e833f..52cb65692553 100644
--- a/arch/arm/configs/rk3036_defconfig
+++ b/arch/arm/configs/rk3036_defconfig
@@ -5,7 +5,7 @@ CONFIG_AUDIT=y
 CONFIG_NO_HZ=y
 CONFIG_HIGH_RES_TIMERS=y
 CONFIG_RCU_FAST_NO_HZ=y
-CONFIG_LOG_BUF_SHIFT=19
+CONFIG_LOG_BUF_SHIFT=17
 CONFIG_CGROUPS=y
 CONFIG_CGROUP_DEBUG=y
 CONFIG_CGROUP_FREEZER=y