diff --git a/test/runtime/parser_test.cc b/test/runtime/parser_test.cc
index 4c0d1287..4481ece7 100644
--- a/test/runtime/parser_test.cc
+++ b/test/runtime/parser_test.cc
@@ -196,13 +196,13 @@ describe("Parser", [&]() {
       char *string = (char *)malloc(1);
       string[0] = '\xdf';
 
-      ts_document_set_language(document, load_real_language("javascript"));
+      ts_document_set_language(document, load_real_language("json"));
       ts_document_set_input_string_with_length(document, string, 1);
       ts_document_parse(document);
 
       free(string);
 
-      assert_root_node("(program (ERROR (UNEXPECTED INVALID)))");
+      assert_root_node("(ERROR (UNEXPECTED INVALID))");
     });
   });