diff --git a/src/mainboard/starlabs/starbook/Kconfig b/src/mainboard/starlabs/starbook/Kconfig
index b7e1c63b46..1565f88290 100644
--- a/src/mainboard/starlabs/starbook/Kconfig
+++ b/src/mainboard/starlabs/starbook/Kconfig
@@ -139,6 +139,7 @@ config DEVICETREE
 	default "variants/\$(CONFIG_VARIANT_DIR)/devicetree.cb"
 
 config DIMM_SPD_SIZE
+	default 1024 if BOARD_STARLABS_STARBOOK_MTL
 	default 512
 
 config DRIVER_TPM_SPI_CHIP