diff --git a/Libraries/LibJS/Runtime/Object.cpp b/Libraries/LibJS/Runtime/Object.cpp
index fa54720367..fc71268089 100644
--- a/Libraries/LibJS/Runtime/Object.cpp
+++ b/Libraries/LibJS/Runtime/Object.cpp
@@ -415,6 +415,12 @@ bool Object::define_property(const StringOrSymbol& property_name, const Object&
     return define_property(property_name, value, attributes, throw_exceptions);
 }
 
+bool Object::define_property_without_transition(const PropertyName& property_name, Value value, PropertyAttributes attributes, bool throw_exceptions)
+{
+    TemporaryChange change(m_transitions_enabled, false);
+    return define_property(property_name, value, attributes, throw_exceptions);
+}
+
 bool Object::define_property(const PropertyName& property_name, Value value, PropertyAttributes attributes, bool throw_exceptions)
 {
     if (property_name.is_number())
@@ -753,10 +759,10 @@ bool Object::define_native_function(const StringOrSymbol& property_name, AK::Fun
         function_name = String::formatted("[{}]", property_name.as_symbol()->description());
     }
     auto* function = NativeFunction::create(global_object(), function_name, move(native_function));
-    function->define_property("length", Value(length), Attribute::Configurable);
+    function->define_property_without_transition("length", Value(length), Attribute::Configurable);
     if (vm().exception())
         return {};
-    function->define_property("name", js_string(heap(), function_name), Attribute::Configurable);
+    function->define_property_without_transition("name", js_string(heap(), function_name), Attribute::Configurable);
     if (vm().exception())
         return {};
     return define_property(property_name, function, attribute);
diff --git a/Libraries/LibJS/Runtime/Object.h b/Libraries/LibJS/Runtime/Object.h
index 0885914195..001255db42 100644
--- a/Libraries/LibJS/Runtime/Object.h
+++ b/Libraries/LibJS/Runtime/Object.h
@@ -103,6 +103,7 @@ public:
 
     virtual bool define_property(const StringOrSymbol& property_name, const Object& descriptor, bool throw_exceptions = true);
     bool define_property(const PropertyName&, Value value, PropertyAttributes attributes = default_attributes, bool throw_exceptions = true);
+    bool define_property_without_transition(const PropertyName&, Value value, PropertyAttributes attributes = default_attributes, bool throw_exceptions = true);
     bool define_accessor(const PropertyName&, Function& getter_or_setter, bool is_getter, PropertyAttributes attributes = default_attributes, bool throw_exceptions = true);
 
     bool define_native_function(const StringOrSymbol& property_name, AK::Function<Value(VM&, GlobalObject&)>, i32 length = 0, PropertyAttributes attributes = default_attributes);
diff --git a/Libraries/LibJS/Runtime/ScriptFunction.cpp b/Libraries/LibJS/Runtime/ScriptFunction.cpp
index 7104f646e3..668f747e00 100644
--- a/Libraries/LibJS/Runtime/ScriptFunction.cpp
+++ b/Libraries/LibJS/Runtime/ScriptFunction.cpp
@@ -69,7 +69,7 @@ void ScriptFunction::initialize(GlobalObject& global_object)
     Function::initialize(global_object);
     if (!m_is_arrow_function) {
         Object* prototype = Object::create_empty(global_object);
-        prototype->define_property("constructor", this, Attribute::Writable | Attribute::Configurable);
+        prototype->define_property_without_transition("constructor", this, Attribute::Writable | Attribute::Configurable);
         define_property("prototype", prototype, 0);
     }
     define_native_property("length", length_getter, nullptr, Attribute::Configurable);