diff --git a/src/tcpbuffer.h b/src/tcpbuffer.h
index 2062c8c..8cd7e3d 100644
--- a/src/tcpbuffer.h
+++ b/src/tcpbuffer.h
@@ -17,6 +17,7 @@
  *  Dependencies
  */
 #include <sys/ioctl.h>
+#include <sys/uio.h>
  
 /**
  *  Set up namespace