diff --git a/Eigen/src/Core/util/Macros.h b/Eigen/src/Core/util/Macros.h
index 706b30174..5ee17e91e 100644
--- a/Eigen/src/Core/util/Macros.h
+++ b/Eigen/src/Core/util/Macros.h
@@ -256,7 +256,7 @@ using Eigen::ei_cos;
 
 // C++0x features
 #if defined(__GXX_EXPERIMENTAL_CXX0X__) || (defined(_MSC_VER) && (_MSC_VER >= 1600))
-  #define EIGEN_REF_TO_TEMPORARY &&
+  #define EIGEN_REF_TO_TEMPORARY const &
 #else
   #define EIGEN_REF_TO_TEMPORARY const &
 #endif