diff --git a/arch/z16/src/z16f/chip.h b/arch/z16/src/z16f/chip.h
index dc608181a4f..f4b0cd0ed85 100644
--- a/arch/z16/src/z16f/chip.h
+++ b/arch/z16/src/z16f/chip.h
@@ -41,10 +41,10 @@
  * Included Files
  ************************************************************************************/
 
-#ifdef __ASSEMBLY__
+#include <nuttx/config.h>
+#ifndef __ASSEMBLY__
 #  include <stdint.h>
 #endif
-#include <nuttx/config.h>
 #include <arch/irq.h>
 #include "common/up_internal.h"