diff --git a/src/Test/Rxmxnx.JNetInterface.Implementation.Tests.Proxies/Internal/ReferenceHelper.cs b/src/Test/Rxmxnx.JNetInterface.Implementation.Tests.Proxies/Internal/ReferenceHelper.cs
index 89cd7322..4f22f3ce 100644
--- a/src/Test/Rxmxnx.JNetInterface.Implementation.Tests.Proxies/Internal/ReferenceHelper.cs
+++ b/src/Test/Rxmxnx.JNetInterface.Implementation.Tests.Proxies/Internal/ReferenceHelper.cs
@@ -129,6 +129,8 @@ private static InvokeInterfaceProxy GetProxy(JVirtualMachineRef vmRef)
 		{
 			InvokeInterfaceProxy? result = ReferenceHelper.invokeProxies.GetValueOrDefault(vmRef);
 			if (result is not null && result.Reference.Reference.Pointer != ptr) result = default;
+			if (result?.AllowedThread != null && result.AllowedThread != Environment.CurrentManagedThreadId)
+				result = default;
 			return result ?? InvokeInterfaceProxy.Detached;
 		}
 	}
diff --git a/src/Test/Rxmxnx.JNetInterface.Implementation.Tests.Proxies/InvokeInterfaceProxy.cs b/src/Test/Rxmxnx.JNetInterface.Implementation.Tests.Proxies/InvokeInterfaceProxy.cs
index a9475a15..39c05820 100644
--- a/src/Test/Rxmxnx.JNetInterface.Implementation.Tests.Proxies/InvokeInterfaceProxy.cs
+++ b/src/Test/Rxmxnx.JNetInterface.Implementation.Tests.Proxies/InvokeInterfaceProxy.cs
@@ -30,6 +30,7 @@ public abstract class InvokeInterfaceProxy
 	public JMethodId StackTraceElementIsNativeMethodMethodId { get; } = ReferenceHelper.Fixture.Create<JMethodId>();
 
 	public JVirtualMachineRef Reference { get; private set; }
+	public Int32? AllowedThread { get; set; } = Environment.CurrentManagedThreadId;
 
 	public abstract JResult DestroyVirtualMachine();
 	public abstract JResult AttachCurrentThread(ValPtr<JEnvironmentRef> envRef,