diff --git a/Userland/Libraries/LibJS/Runtime/Reference.cpp b/Userland/Libraries/LibJS/Runtime/Reference.cpp
index 128c25ee06..f34e0fcce0 100644
--- a/Userland/Libraries/LibJS/Runtime/Reference.cpp
+++ b/Userland/Libraries/LibJS/Runtime/Reference.cpp
@@ -16,6 +16,11 @@ void Reference::put_value(GlobalObject& global_object, Value value)
 {
     auto& vm = global_object.vm();
 
+    if (!is_valid_reference()) {
+        vm.throw_exception<ReferenceError>(global_object, ErrorType::InvalidLeftHandAssignment);
+        return;
+    }
+
     if (is_unresolvable()) {
         if (m_strict) {
             throw_reference_error(global_object);
@@ -88,7 +93,7 @@ void Reference::throw_reference_error(GlobalObject& global_object) const
 // 6.2.4.5 GetValue ( V ), https://tc39.es/ecma262/#sec-getvalue
 Value Reference::get_value(GlobalObject& global_object, bool throw_if_undefined) const
 {
-    if (is_unresolvable()) {
+    if (!is_valid_reference() || is_unresolvable()) {
         throw_reference_error(global_object);
         return {};
     }
diff --git a/Userland/Libraries/LibJS/Runtime/Reference.h b/Userland/Libraries/LibJS/Runtime/Reference.h
index 8d3fa3e260..7d24a8b0bf 100644
--- a/Userland/Libraries/LibJS/Runtime/Reference.h
+++ b/Userland/Libraries/LibJS/Runtime/Reference.h
@@ -109,6 +109,8 @@ public:
 
     String to_string() const;
 
+    bool is_valid_reference() const { return m_name.is_valid(); }
+
 private:
     void throw_reference_error(GlobalObject&) const;