diff --git a/README.md b/README.md
index 333ec76..bb9bd5f 100644
--- a/README.md
+++ b/README.md
@@ -62,7 +62,7 @@ Then check out our other commercial and open source solutions:
 
 INSTALLING
 ==========
-AMQP-CPP comes with an optional Linux-only TCP module that takes care of the network part required for the AMQP-CPP core library.
+AMQP-CPP comes with an optional Linux-only TCP module that takes care of the network part required for the AMQP-CPP core library. If you use this module, you are required to link with `pthread`.
 
 There are two methods to compile AMQP-CPP: CMake and Make. CMake is platform portable, but the Makefile only works on Linux.