diff --git a/test.c b/test.c
index a5eb9c7..79cff43 100644
--- a/test.c
+++ b/test.c
@@ -3,6 +3,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <strings.h>
+#include <sys/socket.h>
 #include <sys/time.h>
 #include <netdb.h>
 #include <assert.h>