diff --git a/include/common/buf.h b/include/common/buf.h
index ff03816..65770aa 100644
--- a/include/common/buf.h
+++ b/include/common/buf.h
@@ -28,7 +28,7 @@
 #ifndef _COMMON_BUF_H
 #define _COMMON_BUF_H
 
-#include <stdint.h>
+#include <inttypes.h>
 #include <string.h>
 #include <unistd.h>