diff --git a/deps/libneon/src/ne_socket.c b/deps/libneon/src/ne_socket.c
index affc8d7..b4f8ea1 100644
--- a/deps/libneon/src/ne_socket.c
+++ b/deps/libneon/src/ne_socket.c
@@ -34,6 +34,7 @@
 #ifdef HAVE_SYS_SOCKET_H
 #include <sys/socket.h>
 #endif
+#include <sys/uio.h>
 
 #ifdef __linux__
 #include <sys/ioctl.h>