diff --git a/Jint.Tests/Runtime/WeakSetMapTests.cs b/Jint.Tests/Runtime/WeakSetMapTests.cs
index 0d7fffe5c2..154c44c7e1 100644
--- a/Jint.Tests/Runtime/WeakSetMapTests.cs
+++ b/Jint.Tests/Runtime/WeakSetMapTests.cs
@@ -39,7 +39,7 @@ public void WeakSetShouldThrowWhenCalledWithoutNew()
     public void WeakSetAddShouldThrowForPrimitiveKey(JsValue key)
     {
         var engine = new Engine();
-        var weakSet = new WeakSetInstance(engine);
+        var weakSet = new JsWeakSet(engine);
 
         var e = Assert.Throws<JavaScriptException>(() => weakSet.WeakSetAdd(key));
         Assert.StartsWith("WeakSet value must be an object or symbol, got ", e.Message);
diff --git a/Jint/Native/WeakSet/WeakSetInstance.cs b/Jint/Native/WeakSet/JsWeakSet.cs
similarity index 88%
rename from Jint/Native/WeakSet/WeakSetInstance.cs
rename to Jint/Native/WeakSet/JsWeakSet.cs
index 8882c73a44..32883db12d 100644
--- a/Jint/Native/WeakSet/WeakSetInstance.cs
+++ b/Jint/Native/WeakSet/JsWeakSet.cs
@@ -5,11 +5,11 @@
 
 namespace Jint.Native.WeakSet;
 
-internal sealed class WeakSetInstance : ObjectInstance
+internal sealed class JsWeakSet : ObjectInstance
 {
     private readonly ConditionalWeakTable<JsValue, JsValue> _table;
 
-    public WeakSetInstance(Engine engine) : base(engine)
+    public JsWeakSet(Engine engine) : base(engine)
     {
         _table = new ConditionalWeakTable<JsValue, JsValue>();
     }
diff --git a/Jint/Native/WeakSet/WeakSetConstructor.cs b/Jint/Native/WeakSet/WeakSetConstructor.cs
index 1ead0877f9..987dd8beeb 100644
--- a/Jint/Native/WeakSet/WeakSetConstructor.cs
+++ b/Jint/Native/WeakSet/WeakSetConstructor.cs
@@ -34,7 +34,7 @@ public override ObjectInstance Construct(JsValue[] arguments, JsValue newTarget)
             var set = OrdinaryCreateFromConstructor(
                 newTarget,
                 static intrinsics => intrinsics.WeakSet.PrototypeObject,
-                static (Engine engine, Realm _, object? _) => new WeakSetInstance(engine));
+                static (Engine engine, Realm _, object? _) => new JsWeakSet(engine));
 
             var arg1 = arguments.At(0);
             if (!arg1.IsNullOrUndefined())
diff --git a/Jint/Native/WeakSet/WeakSetPrototype.cs b/Jint/Native/WeakSet/WeakSetPrototype.cs
index 0bb8612e21..43e8ea2c02 100644
--- a/Jint/Native/WeakSet/WeakSetPrototype.cs
+++ b/Jint/Native/WeakSet/WeakSetPrototype.cs
@@ -66,9 +66,9 @@ private JsValue Has(JsValue thisObject, JsValue[] arguments)
         return set.WeakSetHas(arguments.At(0)) ? JsBoolean.True : JsBoolean.False;
     }
 
-    private WeakSetInstance AssertWeakSetInstance(JsValue thisObject)
+    private JsWeakSet AssertWeakSetInstance(JsValue thisObject)
     {
-        if (thisObject is WeakSetInstance set)
+        if (thisObject is JsWeakSet set)
         {
             return set;
         }