diff --git a/Eigen/src/Core/Product.h b/Eigen/src/Core/Product.h
index 5fbfd62d6..1151b2164 100644
--- a/Eigen/src/Core/Product.h
+++ b/Eigen/src/Core/Product.h
@@ -762,7 +762,7 @@ inline void Product<Lhs,Rhs,ProductMode>::_cacheFriendlyEvalAndAdd(DestDerived&
     rows(), cols(), lhs.cols(),
     _LhsCopy::Flags&RowMajorBit, (const Scalar*)&(lhs.const_cast_derived().coeffRef(0,0)), lhs.stride(),
     _RhsCopy::Flags&RowMajorBit, (const Scalar*)&(rhs.const_cast_derived().coeffRef(0,0)), rhs.stride(),
-    Flags&RowMajorBit, (Scalar*)&(res.coeffRef(0,0)), res.stride()
+    DestDerived::Flags&RowMajorBit, (Scalar*)&(res.coeffRef(0,0)), res.stride()
   );
 }