diff --git a/src/tenvex/expressions/add.h b/src/tenvex/expressions/add.h
index e9eac64..7b832a3 100644
--- a/src/tenvex/expressions/add.h
+++ b/src/tenvex/expressions/add.h
@@ -19,7 +19,7 @@ struct Add : Expr<Add<L, R>>
 
 private:
 	tnvx_ref_or_value_t<L> _l;
-	tnvx_ref_or_value_t<L> _r;
+	tnvx_ref_or_value_t<R> _r;
 };
 
 template<vec_expr L, vec_expr R>