diff --git a/tools/toolchain-x86_64-apple-darwin-clang.cmake b/tools/toolchain-x86_64-apple-darwin-clang.cmake
index 5b7cfe8..47bff01 100644
--- a/tools/toolchain-x86_64-apple-darwin-clang.cmake
+++ b/tools/toolchain-x86_64-apple-darwin-clang.cmake
@@ -7,5 +7,5 @@ set(CMAKE_C_COMPILER_TARGET ${triple})
 set(CMAKE_CXX_COMPILER clang++)
 set(CMAKE_CXX_COMPILER_TARGET ${triple})
 set(CMAKE_C_FLAGS "-m64 -DGL_SILENCE_DEPRECATION")
-set(CMAKE_CXX_FLAGS "-m64 -DGL_SILENCE_DEPRECATION")
+set(CMAKE_CXX_FLAGS "-m64 -std=c++11 -DGL_SILENCE_DEPRECATION")