diff --git a/Eigen/src/SparseCore/SparseCompressedBase.h b/Eigen/src/SparseCore/SparseCompressedBase.h
index febd9039e..710eb0156 100644
--- a/Eigen/src/SparseCore/SparseCompressedBase.h
+++ b/Eigen/src/SparseCore/SparseCompressedBase.h
@@ -261,8 +261,8 @@ class SparseCompressedBase<Derived>::ReverseInnerIterator
     const StorageIndex* m_indices;
     typedef internal::variable_if_dynamic<Index,Derived::IsVectorAtCompileTime?0:Dynamic> OuterType;
     const OuterType m_outer;
-    Index m_id;
     Index m_start;
+    Index m_id;
 };
 
 namespace internal {