diff --git a/telldus-core/client/CMakeLists.txt b/telldus-core/client/CMakeLists.txt
index 3336d29..f6a98bc 100644
--- a/telldus-core/client/CMakeLists.txt
+++ b/telldus-core/client/CMakeLists.txt
@@ -4,6 +4,9 @@ ENDIF(COMMAND cmake_policy)
 
 FIND_PACKAGE( SignTool REQUIRED )
 
+SET(CMAKE_C_FLAGS "-pthread")
+SET(CMAKE_CXX_FLAGS "-pthread")
+
 ######## Non configurable options  ########
 SET( telldus-core_SRCS
 	CallbackDispatcher.cpp