diff --git a/package/boot/uboot-mediatek/Makefile b/package/boot/uboot-mediatek/Makefile
index e4c9733233..c2bd0189e8 100644
--- a/package/boot/uboot-mediatek/Makefile
+++ b/package/boot/uboot-mediatek/Makefile
@@ -251,7 +251,7 @@ define U-Boot/mt7981_cmcc_rax3000m-emmc-ddr3
   UBOOT_IMAGE:=u-boot.fip
   BL2_BOOTDEV:=emmc
   BL2_SOC:=mt7981
-  BL2_DDRTYPE:=ddr3
+  BL2_DDRTYPE:=ddr3-1866mhz
   DEPENDS:=+trusted-firmware-a-mt7981-emmc-ddr3-1866mhz
 endef
 
@@ -275,7 +275,7 @@ define U-Boot/mt7981_cmcc_rax3000m-nand-ddr3
   UBOOT_IMAGE:=u-boot.fip
   BL2_BOOTDEV:=spim-nand
   BL2_SOC:=mt7981
-  BL2_DDRTYPE:=ddr3
+  BL2_DDRTYPE:=ddr3-1866mhz
   DEPENDS:=+trusted-firmware-a-mt7981-spim-nand-ddr3-1866mhz
 endef