diff --git a/lib/if2ip.c b/lib/if2ip.c
index f8a37bb12..e9b8a4955 100644
--- a/lib/if2ip.c
+++ b/lib/if2ip.c
@@ -66,6 +66,10 @@
 #include <netdb.h>
 #endif
 
+#include HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+
 #ifdef HAVE_SYS_SOCKIO_H
 #include <sys/sockio.h>
 #endif