diff --git a/glm/detail/func_common.inl b/glm/detail/func_common.inl
index 373ac935..cbfdaf01 100644
--- a/glm/detail/func_common.inl
+++ b/glm/detail/func_common.inl
@@ -177,7 +177,7 @@ namespace detail
 	}
 
 	// trunc
-#	if GLM_LANG & GLM_LANG_CXX0X_FLAG
+#	if GLM_HAS_CXX11_STL
 		using ::std::trunc;
 #	else
 		template <typename genType>
@@ -196,7 +196,7 @@ namespace detail
 	}
 
 	// round
-#	if GLM_LANG & GLM_LANG_CXX0X_FLAG
+#	if GLM_HAS_CXX11_STL
 		using ::std::round;
 #	else
 		template <typename genType>
diff --git a/glm/detail/setup.hpp b/glm/detail/setup.hpp
index c2018fb2..41d0503c 100644
--- a/glm/detail/setup.hpp
+++ b/glm/detail/setup.hpp
@@ -458,6 +458,11 @@
 // http://gcc.gnu.org/projects/cxx0x.html
 // http://msdn.microsoft.com/en-us/library/vstudio/hh567368(v=vs.120).aspx
 
+// N1720
+#define GLM_HAS_CXX11_STL ( \
+	(GLM_LANG & GLM_LANG_CXX11_FLAG) || \
+	((GLM_LANG & GLM_LANG_CXX0X_FLAG) && (GLM_COMPILER & GLM_COMPILER_VC) && (GLM_COMPILER >= GLM_COMPILER_VC13)))
+
 // N1720
 #define GLM_HAS_STATIC_ASSERT ( \
 	(GLM_LANG & GLM_LANG_CXX11_FLAG) || \