diff --git a/include/common/istbuf.h b/include/common/istbuf.h
index 7631212..274bf5e 100644
--- a/include/common/istbuf.h
+++ b/include/common/istbuf.h
@@ -28,7 +28,7 @@
 #ifndef _COMMON_ISTBUF_H
 #define _COMMON_ISTBUF_H
 
-#include <stdint.h>
+#include <inttypes.h>
 #include <common/buf.h>
 #include <common/ist.h>