1 files changed, 1 insertions, 1 deletions
diff --git a/Userland/Libraries/LibJS/Runtime/Temporal/AbstractOperations.cpp b/Userland/Libraries/LibJS/Runtime/Temporal/AbstractOperations.cpp
index 5f85fdc877..157315bf27 100644
--- a/Userland/Libraries/LibJS/Runtime/Temporal/AbstractOperations.cpp
+++ b/Userland/Libraries/LibJS/Runtime/Temporal/AbstractOperations.cpp
@@ -67,7 +67,7 @@ ThrowCompletionOr<MarkedValueList> iterable_to_list_of_type(GlobalObject& global
             // ii. If Type(nextValue) is not an element of elementTypes, then
             if (auto type = to_option_type(next_value); !type.has_value() || !element_types.contains_slow(*type)) {
                 // 1. Let completion be ThrowCompletion(a newly created TypeError object).
-                auto completion = vm.throw_completion<TypeError>(global_object, ErrorType::FixmeAddAnErrorString);
+                auto completion = vm.throw_completion<TypeError>(global_object, ErrorType::IterableToListOfTypeInvalidValue, next_value.to_string_without_side_effects());
                 // 2. Return ? IteratorClose(iteratorRecord, completion).
                 iterator_close(*iterator_record);
                 return completion;