diff --git a/configs/orangepi_pc_defconfig b/configs/orangepi_pc_defconfig
index 75afca9..358caa5 100644
--- a/configs/orangepi_pc_defconfig
+++ b/configs/orangepi_pc_defconfig
@@ -1,7 +1,7 @@
 CONFIG_ARM=y
 CONFIG_ARCH_SUNXI=y
 CONFIG_MACH_SUN8I_H3=y
-CONFIG_DRAM_CLK=672
+CONFIG_DRAM_CLK=624
 CONFIG_DRAM_ZQ=3881979
 CONFIG_DRAM_ODT_EN=y
 # CONFIG_VIDEO is not set