diff --git a/common.gypi b/common.gypi
index 0838af6b385..d1411ed1c6f 100644
--- a/common.gypi
+++ b/common.gypi
@@ -385,6 +385,7 @@
             'xcode_settings': {
               'GCC_VERSION': 'com.apple.compilers.llvm.clang.1_0',
               'CLANG_CXX_LANGUAGE_STANDARD': 'gnu++0x',  # -std=gnu++0x
+              'CLANG_CXX_LIBRARY': 'libc++',
             },
           }],
         ],