diff --git a/src/utils.c b/src/utils.c
index 1678c71..1ebfc67 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -24,6 +24,8 @@
  */
 
 #include <stdlib.h>
+#include <stdio.h>
+#include <stdarg.h>
 
 #include "sunxi_cedrus.h"
 #include "utils.h"