diff --git a/deps/liboi/oi_socket.c b/deps/liboi/oi_socket.c
index 8a350d998d..e752f9ef23 100644
--- a/deps/liboi/oi_socket.c
+++ b/deps/liboi/oi_socket.c
@@ -33,6 +33,8 @@
 #include <string.h> /* memset */
 
 #include <netinet/tcp.h> /* TCP_NODELAY */
+#include <sys/types.h>
+#include <sys/socket.h> /* shutdown */
 
 #include <ev.h>
 #include <oi_socket.h>