diff --git a/include/types/connection.h b/include/types/connection.h
index a9d04474d..25d842b75 100644
--- a/include/types/connection.h
+++ b/include/types/connection.h
@@ -68,6 +68,7 @@ enum {
 
 
 	CS_FL_ERROR         = 0x00000100,  /* a fatal error was reported */
+	CS_FL_RCV_MORE      = 0x00000200,  /* more bytes to receive but not enough room */
 	CS_FL_EOS           = 0x00001000,  /* End of stream */
 };