diff --git a/evutil.c b/evutil.c
index 77aef40d..b47821fe 100644
--- a/evutil.c
+++ b/evutil.c
@@ -53,6 +53,7 @@
 #include <sys/timeb.h>
 #endif
 #include <stdarg.h>
+#include <stdio.h>
 
 #include "evutil.h"
 #include "log.h"