diff --git a/driver-avalon.c b/driver-avalon.c
index f2743142..91fa93a8 100644
--- a/driver-avalon.c
+++ b/driver-avalon.c
@@ -20,6 +20,7 @@
 #include <ctype.h>
 #include <dirent.h>
 #include <unistd.h>
+#include <time.h>
 #ifndef WIN32
   #include <sys/select.h>
   #include <termios.h>