diff --git a/programs/timefn.c b/programs/timefn.c
index 4b3b23839..cb545ad67 100644
--- a/programs/timefn.c
+++ b/programs/timefn.c
@@ -11,7 +11,8 @@
 
 /* ===  Dependencies  === */
 
-#include <stdlib.h>   /* perror, abort */
+#include <stdlib.h>   /* abort */
+#include <stdio.h>    /* perror */
 
 #include "timefn.h"