diff --git a/Utilities/test262-runner.cpp b/Utilities/test262-runner.cpp
index 6e5038f99b..3041cab0f9 100644
--- a/Utilities/test262-runner.cpp
+++ b/Utilities/test262-runner.cpp
@@ -80,22 +80,20 @@ static ErrorOr<void, TestError> run_program(InterpreterT& interpreter, ScriptOrM
         auto error_value = result.throw_completion().value();
         TestError error;
         error.phase = NegativePhase::Runtime;
-        if (error_value.is_object()) {
-            auto& object = error_value.as_object();
-
-            auto name = object.get_without_side_effects("name"_utf16_fly_string);
+        if (auto object = error_value.template as_if<JS::Object>()) {
+            auto name = object->get_without_side_effects("name"_utf16_fly_string);
             if (!name.is_undefined() && !name.is_accessor()) {
                 error.type = name.to_string_without_side_effects();
             } else {
-                auto constructor = object.get_without_side_effects("constructor"_utf16_fly_string);
-                if (constructor.is_object()) {
-                    name = constructor.as_object().get_without_side_effects("name"_utf16_fly_string);
+                auto constructor_value = object->get_without_side_effects("constructor"_utf16_fly_string);
+                if (auto constructor = constructor_value.template as_if<JS::Object>()) {
+                    name = constructor->get_without_side_effects("name"_utf16_fly_string);
                     if (!name.is_undefined())
                         error.type = name.to_string_without_side_effects();
                 }
             }
 
-            auto message = object.get_without_side_effects("message"_utf16_fly_string);
+            auto message = object->get_without_side_effects("message"_utf16_fly_string);
             if (!message.is_undefined() && !message.is_accessor())
                 error.details = message.to_string_without_side_effects();
         }