diff --git a/Eigen/src/Core/util/XprHelper.h b/Eigen/src/Core/util/XprHelper.h
index 3c89a7f3f..61ffe702f 100644
--- a/Eigen/src/Core/util/XprHelper.h
+++ b/Eigen/src/Core/util/XprHelper.h
@@ -119,21 +119,11 @@ class ei_compute_matrix_flags
     enum {
       row_major_bit = Options&RowMajor ? RowMajorBit : 0,
       is_dynamic_size_storage = MaxRows==Dynamic || MaxCols==Dynamic,
-#if EIGEN_ALIGN_STATICALLY
-      is_fixed_size_aligned
-        = (!is_dynamic_size_storage) && (((MaxCols*MaxRows) % ei_packet_traits<Scalar>::size) == 0),
-#else
-      is_fixed_size_aligned = 0,
-#endif
-#if EIGEN_ALIGN
-      is_dynamic_size_aligned = is_dynamic_size_storage,
-#else
-      is_dynamic_size_aligned = 0,
-#endif
 
       aligned_bit =
       (
-        ((Options&DontAlign)==0)
+            ((Options&DontAlign)==0)
+        &&  ei_packet_traits<Scalar>::Vectorizable
         && (
 #if EIGEN_ALIGN_STATICALLY
              ((!is_dynamic_size_storage) && (((MaxCols*MaxRows) % ei_packet_traits<Scalar>::size) == 0))