diff --git a/Eigen/src/Core/util/Macros.h b/Eigen/src/Core/util/Macros.h
index 14ec87da8..755646795 100644
--- a/Eigen/src/Core/util/Macros.h
+++ b/Eigen/src/Core/util/Macros.h
@@ -955,7 +955,7 @@ namespace Eigen {
                 const typename internal::plain_constant_type<EXPR,SCALAR>::type, const EXPR>
 
 // Workaround for MSVC 2010 (see ML thread "patch with compile for for MSVC 2010")
-#if EIGEN_COMP_MSVC_STRICT<=1600
+#if EIGEN_COMP_MSVC_STRICT && (EIGEN_COMP_MSVC_STRICT<=1600)
 #define EIGEN_MSVC10_WORKAROUND_BINARYOP_RETURN_TYPE(X) typename internal::enable_if<true,X>::type
 #else
 #define EIGEN_MSVC10_WORKAROUND_BINARYOP_RETURN_TYPE(X) X