diff --git a/buildconfig/CMake/GNUSetup.cmake b/buildconfig/CMake/GNUSetup.cmake
index ca09567963bcebb5de076dbdac6e676ccc866662..de33c0a83c5e81d32192f11969b1ce6c642e45aa 100644
--- a/buildconfig/CMake/GNUSetup.cmake
+++ b/buildconfig/CMake/GNUSetup.cmake
@@ -79,7 +79,7 @@ else()
   include(CheckCXXCompilerFlag)
   CHECK_CXX_COMPILER_FLAG("-std=c++14" COMPILER_SUPPORTS_CXX14)
   CHECK_CXX_COMPILER_FLAG("-std=c++11" COMPILER_SUPPORTS_CXX11)
-  CHECK_CXX_COMPILER_FLAG("-std=c++0X" COMPILER_SUPPORTS_CXX0X)
+  CHECK_CXX_COMPILER_FLAG("-std=c++0x" COMPILER_SUPPORTS_CXX0X)
   if(COMPILER_SUPPORTS_CXX14)
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14")
   elseif(COMPILER_SUPPORTS_CXX11)