diff --git a/configs/sifive_unleashed_defconfig b/configs/sifive_unleashed_defconfig
index 5bf40cee08..d665c8f5d9 100644
--- a/configs/sifive_unleashed_defconfig
+++ b/configs/sifive_unleashed_defconfig
@@ -14,6 +14,7 @@ CONFIG_RISCV_SMODE=y
 CONFIG_DISTRO_DEFAULTS=y
 CONFIG_FIT=y
 CONFIG_SPL_LOAD_FIT_ADDRESS=0x84000000
+CONFIG_DEFAULT_FDT_FILE="sifive/hifive-unleashed-a00.dtb"
 CONFIG_DISPLAY_CPUINFO=y
 CONFIG_DISPLAY_BOARDINFO=y
 CONFIG_MISC_INIT_R=y
diff --git a/configs/sifive_unmatched_defconfig b/configs/sifive_unmatched_defconfig
index 4c26504867..44edfd2974 100644
--- a/configs/sifive_unmatched_defconfig
+++ b/configs/sifive_unmatched_defconfig
@@ -14,6 +14,7 @@ CONFIG_RISCV_SMODE=y
 CONFIG_DISTRO_DEFAULTS=y
 CONFIG_FIT=y
 CONFIG_SPL_LOAD_FIT_ADDRESS=0x84000000
+CONFIG_DEFAULT_FDT_FILE="sifive/hifive-unmatched-a00.dtb"
 CONFIG_DISPLAY_CPUINFO=y
 CONFIG_DISPLAY_BOARDINFO=y
 CONFIG_DISPLAY_BOARDINFO_LATE=y
diff --git a/include/configs/sifive-unleashed.h b/include/configs/sifive-unleashed.h
index 0d69d1c548..b6c29f8c60 100644
--- a/include/configs/sifive-unleashed.h
+++ b/include/configs/sifive-unleashed.h
@@ -75,6 +75,7 @@
 	"type_guid_gpt_loader2=" TYPE_GUID_LOADER2 "\0" \
 	"type_guid_gpt_system=" TYPE_GUID_SYSTEM "\0" \
 	"partitions=" PARTS_DEFAULT "\0" \
+	"fdtfile=" CONFIG_DEFAULT_FDT_FILE "\0" \
 	BOOTENV \
 	BOOTENV_SF
 
diff --git a/include/configs/sifive-unmatched.h b/include/configs/sifive-unmatched.h
index 4fad69bb19..80cfd41ceb 100644
--- a/include/configs/sifive-unmatched.h
+++ b/include/configs/sifive-unmatched.h
@@ -73,6 +73,7 @@
 	"type_guid_gpt_loader2=" TYPE_GUID_LOADER2 "\0" \
 	"type_guid_gpt_system=" TYPE_GUID_SYSTEM "\0" \
 	"partitions=" PARTS_DEFAULT "\0" \
+	"fdtfile=" CONFIG_DEFAULT_FDT_FILE "\0" \
 	BOOTENV
 
 #define CONFIG_PREBOOT \