diff --git a/ddr/ddr.c b/ddr/ddr.c
index 7c4fb9f..345fd7b 100644
--- a/ddr/ddr.c
+++ b/ddr/ddr.c
@@ -4,6 +4,7 @@
  * SPDX-License-Identifier: MIT
  */
 
+#include <stdio.h>
 #include "ddr.h"
 #include "common.h"
 #include "register.h"