--- a/libbridge/libbridge.h
+++ b/libbridge/libbridge.h
@@ -19,6 +19,8 @@
 #ifndef _LIBBRIDGE_H
 #define _LIBBRIDGE_H
 
+#include <sys/types.h>
+#include <sys/select.h>
 #include <sys/socket.h>
 #include <netinet/in.h>
 #include <linux/if.h>