diff --git a/CMakeLists.txt b/CMakeLists.txt
index 018d9ea08a..8fadae6402 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -205,7 +205,7 @@ else()
   message(FATAL_ERROR "Unknown CMAKE_BUILD_TYPE: ${CMAKE_BUILD_TYPE}")
 endif()
 
-wl_add_flag(WL_GENERIC_CXX_FLAGS "-std=c++11")
+wl_add_flag(WL_GENERIC_CXX_FLAGS "-std=gnu++11")
 
 if(OPTION_ASAN)
   message(STATUS "Using AddressSanitizer https://clang.llvm.org/docs/AddressSanitizer.html")