diff --git a/product-mini/platforms/nuttx/wamr.mk b/product-mini/platforms/nuttx/wamr.mk
index bebd5f2a..06c40d68 100644
--- a/product-mini/platforms/nuttx/wamr.mk
+++ b/product-mini/platforms/nuttx/wamr.mk
@@ -32,6 +32,12 @@ WAMR_BUILD_TARGET := RISCV32
 else ifeq ($(CONFIG_ARCH_SIM),y)
 ifeq ($(CONFIG_SIM_M32),y)
 WAMR_BUILD_TARGET := X86_32
+else ifeq ($(CONFIG_HOST_X86),y)
+WAMR_BUILD_TARGET := X86_32
+else ifeq ($(CONFIG_HOST_ARM),y)
+WAMR_BUILD_TARGET := ARM
+else ifeq ($(CONFIG_HOST_ARM64),y)
+WAMR_BUILD_TARGET := AARCH64
 else
 WAMR_BUILD_TARGET := X86_64
 endif
@@ -54,6 +60,11 @@ else ifeq ($(WAMR_BUILD_TARGET), X86_64)
   CFLAGS += -DBUILD_TARGET_X86_64
   INVOKE_NATIVE := invokeNative_em64.s
   AOT_RELOC := aot_reloc_x86_64.c
+else ifeq ($(WAMR_BUILD_TARGET), AARCH64)
+  CFLAGS += -DBUILD_TARGET_AARCH64
+  CFLAGS += -DBUILD_TARGET=\"$(WAMR_BUILD_TARGET)\"
+  INVOKE_NATIVE := invokeNative_aarch64.s
+  AOT_RELOC := aot_reloc_aarch64.c
 else ifeq ($(findstring ARM,$(WAMR_BUILD_TARGET)), ARM)
   CFLAGS += -DBUILD_TARGET_ARM
   CFLAGS += -DBUILD_TARGET=\"$(WAMR_BUILD_TARGET)\"