diff --git a/util/timehist.c b/util/timehist.c
index 578f594e7..02d5df059 100644
--- a/util/timehist.c
+++ b/util/timehist.c
@@ -39,6 +39,10 @@
  * This file contains functions to make a histogram of time values.
  */
 #include "config.h"
+#ifdef HAVE_TIME_H
+#include <time.h>
+#endif
+#include <sys/time.h>
 #include "util/timehist.h"
 #include "util/log.h"