2819

1 files changed, 2 insertions, 2 deletions

diff --git a/030container.cc b/030container.cc
index dc3de8b4..6d649b86 100644
--- a/030container.cc
+++ b/030container.cc
@@ -749,8 +749,8 @@ void check_merge_call(const vector<reagent>& ingredients, const reagent& product
       default: {
         if (!types_coercible(container, ingredients.at(ingredient_index))) {
           raise << maybe(caller.name) << "incorrect type of ingredient " << ingredient_index << " in '" << to_original_string(inst) << "'\n" << end();
-          cerr << "  expected " << debug_string(container) << '\n';
-          cerr << "  got " << debug_string(ingredients.at(ingredient_index)) << '\n';
+          raise << "  (expected " << debug_string(container) << ")\n" << end();
+          raise << "  (got " << debug_string(ingredients.at(ingredient_index)) << ")\n" << end();
           return;
         }
         ++ingredient_index;