diff --git a/buildroot/configs/naxriscv_sim_raw_defconfig b/buildroot/configs/naxriscv_sim_raw_defconfig
index ed378af..b7d4390 100644
--- a/buildroot/configs/naxriscv_sim_raw_defconfig
+++ b/buildroot/configs/naxriscv_sim_raw_defconfig
@@ -48,7 +48,7 @@ BR2_TARGET_OPENSBI_PLAT="generic"
 BR2_TARGET_OPENSBI_INSTALL_PAYLOAD_IMG=y
 BR2_TARGET_OPENSBI_INSTALL_JUMP_IMG=y
 BR2_TARGET_OPENSBI_LINUX_PAYLOAD=y
-BR2_TARGET_OPENSBI_ADDITIONAL_VARIABLES="BUILD_INFO=y DEBUG=1 FW_PIC=y PLATFORM=generic FW_TEXT_START=0x80000000 FW_JUMP_ADDR=0x80400000 FW_JUMP_FDT_ADDR=0x80F80000 FW_FDT_PATH=$(BINARIES_DIR)/linux.dtb"
+BR2_TARGET_OPENSBI_ADDITIONAL_VARIABLES="BUILD_INFO=y DEBUG=1 FW_PIC=y PLATFORM=generic FW_TEXT_START=0x80000000 FW_JUMP_ADDR=0x80400000 FW_JUMP_FDT_ADDR=0x80F80000 FW_PAYLOAD_FDT_ADDR=0x80F80000"
 
 ## Filesystem
 BR2_TARGET_ROOTFS_CPIO=y