diff --git a/Eigen/src/Core/Matrix.h b/Eigen/src/Core/Matrix.h
index 698c8fc5c..4851036e4 100644
--- a/Eigen/src/Core/Matrix.h
+++ b/Eigen/src/Core/Matrix.h
@@ -118,7 +118,7 @@ struct ei_traits<Matrix<_Scalar, _Rows, _Cols, _Options, _MaxRows, _MaxCols> >
 };
 
 template<typename T, int Rows, int Cols, int Options,
-         bool NeedsToAlign = (Options&Matrix_AutoAlign == Matrix_AutoAlign) && Rows!=Dynamic && Cols!=Dynamic && ((sizeof(T)*Rows*Cols)%16==0)>
+         bool NeedsToAlign = ((Options&Matrix_AutoAlign) == Matrix_AutoAlign) && Rows!=Dynamic && Cols!=Dynamic && ((sizeof(T)*Rows*Cols)%16==0)>
 struct ei_matrix_with_aligned_operator_new : WithAlignedOperatorNew {};
 
 template<typename T, int Rows, int Cols, int Options>