diff --git a/CMakeLists.txt b/CMakeLists.txt
index 242a1ea2..e05c03be 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -55,7 +55,11 @@ if(WIN32)
 	if(MINGW)
 		add_definitions(-DNANA_MINGW)
 		add_definitions(-DSTD_CODECVT_NOT_SUPPORTED)
-		option(NANA_THREAD_NOT_SUPPORTED "Use this flag if MinGW version is older than 4.8.1" ON)
+		if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
+			if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS "4.8.1")
+				option(NANA_THREAD_NOT_SUPPORTED "Use this flag if MinGW version is older than 4.8.1" ON)
+			endif()
+		endif()
 		if(NANA_THREAD_NOT_SUPPORTED)
 			add_definitions(-DSTD_THREAD_NOT_SUPPORTED)
 		endif()