diff --git a/arch/arm/src/dm320/dm320_gio.h b/arch/arm/src/dm320/dm320_gio.h
index 4ad277047c1..136e96118ce 100644
--- a/arch/arm/src/dm320/dm320_gio.h
+++ b/arch/arm/src/dm320/dm320_gio.h
@@ -42,6 +42,7 @@
 
 #ifndef __ASSEMBLY__
 # include <stdint.h>
+# include "up_arch.h"
 #endif
 
 /************************************************************************************