diff --git a/configs/puma-rk3399_defconfig b/configs/puma-rk3399_defconfig
index 001686f..af528fb 100644
--- a/configs/puma-rk3399_defconfig
+++ b/configs/puma-rk3399_defconfig
@@ -8,7 +8,7 @@
 CONFIG_SPL_SPI_FLASH_SUPPORT=y
 CONFIG_SPL_SPI_SUPPORT=y
 CONFIG_SPL_STACK_R_ADDR=0x80000
-CONFIG_DEFAULT_DEVICE_TREE="rk3399-puma"
+CONFIG_DEFAULT_DEVICE_TREE="rk3399-puma-ddr1600"
 CONFIG_DEBUG_UART=y
 CONFIG_FIT=y
 CONFIG_SPL_LOAD_FIT=y