1 files changed, 9 insertions, 0 deletions
diff --git a/mpy-cross/main.c b/mpy-cross/main.c
index 7ab95149c..5375f38ac 100644
--- a/mpy-cross/main.c
+++ b/mpy-cross/main.c
@@ -350,6 +350,15 @@ MP_NOINLINE int main_(int argc, char **argv) {
         }
     }
 
+    #if MICROPY_EMIT_NATIVE
+    if ((MP_STATE_VM(default_emit_opt) == MP_EMIT_OPT_NATIVE_PYTHON
+         || MP_STATE_VM(default_emit_opt) == MP_EMIT_OPT_VIPER)
+        && mp_dynamic_compiler.native_arch == MP_NATIVE_ARCH_NONE) {
+        mp_printf(&mp_stderr_print, "arch not specified\n");
+        exit(1);
+    }
+    #endif
+
     if (input_file == NULL) {
         mp_printf(&mp_stderr_print, "no input file\n");
         exit(1);