diff --git a/CMakeLists.txt b/CMakeLists.txt
index f6e3f5c42c..7a6118bb87 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -49,6 +49,7 @@ endif()
 if (APPLE) 
   set(CMAKE_XCODE_ATTRIBUTE_CLANG_CXX_LANGUAGE_STANDARD "c++0x")
   set(CMAKE_XCODE_ATTRIBUTE_CLANG_CXX_LIBRARY "libc++")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} --stdlib=libc++")
 endif ()
 
 if (NOT QT_CMAKE_PREFIX_PATH)