diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3f6d6983..f59a78fe 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -15,7 +15,7 @@ if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.1")
     set(CMAKE_CXX_EXTENSIONS OFF)
     if(APPLE)
       set(CMAKE_CXX_STANDARD 11)
-      set(CMAKE_CXX_STANDARD_REQUIRED ON)
+      set(CMAKE_CXX_STANDARD_REQUIRED OFF)
     endif()
   endif()
 endif()