diff --git a/configs/nanopi_neo2_defconfig b/configs/nanopi_neo2_defconfig
index c7db07a..38b6646 100644
--- a/configs/nanopi_neo2_defconfig
+++ b/configs/nanopi_neo2_defconfig
@@ -1,7 +1,7 @@
 CONFIG_ARM=y
 CONFIG_ARCH_SUNXI=y
 CONFIG_MACH_SUN50I_H5=y
-CONFIG_DRAM_CLK=672
+CONFIG_DRAM_CLK=504
 CONFIG_DRAM_ZQ=3881977
 CONFIG_DEFAULT_DEVICE_TREE="sun50i-h5-nanopi-neo2"
 # CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set