diff --git a/main.c b/main.c
index 23cf1c2..4c43d51 100644
--- a/main.c
+++ b/main.c
@@ -20,6 +20,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
+#include <time.h>
 
 typedef void* rtlsdr_dev_t;
 #include "convenience.h"