diff --git a/j1939cat.c b/j1939cat.c
index c79e061..3f01c2c 100644
--- a/j1939cat.c
+++ b/j1939cat.c
@@ -13,6 +13,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <time.h>
 #include <unistd.h>
 
 #include <linux/errqueue.h>