diff --git a/dvblast.h b/dvblast.h
index 3171f13721215ad0c53e412075485a18949ace59..c6d98c8746a14d3d00c5d47b3037c18be7b44edc 100644
--- a/dvblast.h
+++ b/dvblast.h
@@ -24,6 +24,7 @@
 #include <netdb.h>
 #include <sys/socket.h>
 #include <netinet/udp.h>
+#include <netinet/in.h>
 #include <netinet/ip.h>
 
 #include "config.h"