diff --git a/include/configs/sandbox.h b/include/configs/sandbox.h
index e77d06b..fbb9791 100644
--- a/include/configs/sandbox.h
+++ b/include/configs/sandbox.h
@@ -32,6 +32,7 @@
 #define CONFIG_FIT_SIGNATURE
 #define CONFIG_RSA
 #define CONFIG_CMD_FDT
+#define CONFIG_DEFAULT_DEVICE_TREE	sandbox
 
 #define CONFIG_FS_FAT
 #define CONFIG_FS_EXT4