diff --git a/Eigen/src/Core/Product.h b/Eigen/src/Core/Product.h
index 236e4f130..5577cb3bc 100644
--- a/Eigen/src/Core/Product.h
+++ b/Eigen/src/Core/Product.h
@@ -96,7 +96,7 @@ template<>                    struct ei_product_type_selector<Large, Small, 1>
 template<>                    struct ei_product_type_selector<1,    Large,Small>  { enum { ret = GemvProduct }; };
 template<>                    struct ei_product_type_selector<1,    Large,Large>  { enum { ret = GemvProduct }; };
 template<>                    struct ei_product_type_selector<1,    Small,Large>  { enum { ret = CoeffBasedProductMode }; };
-template<>                    struct ei_product_type_selector<Large,1,    Small>  { enum { ret = GemvProduct }; };
+template<>                    struct ei_product_type_selector<Large,1,    Small>  { enum { ret = CoeffBasedProductMode }; };
 template<>                    struct ei_product_type_selector<Large,1,    Large>  { enum { ret = GemvProduct }; };
 template<>                    struct ei_product_type_selector<Small,1,    Large>  { enum { ret = CoeffBasedProductMode }; };
 template<>                    struct ei_product_type_selector<Small,Small,Large>  { enum { ret = GemmProduct }; };