diff --git a/Plugins/MultiWindow/Source/MultiWindow/Private/MV_SpectatorWindowActor.cpp b/Plugins/MultiWindow/Source/MultiWindow/Private/MV_SpectatorWindowActor.cpp
index e51009a..e1ee004 100644
--- a/Plugins/MultiWindow/Source/MultiWindow/Private/MV_SpectatorWindowActor.cpp
+++ b/Plugins/MultiWindow/Source/MultiWindow/Private/MV_SpectatorWindowActor.cpp
@@ -311,8 +311,8 @@ void AMV_SpectatorWindowActor::OnSlateRendered(SWindow & SlateWindow, void * Vie
 		GraphicsPSOInit.BoundShaderState.PixelShaderRHI = GETSAFERHISHADER_PIXEL(*PixelShader);
 		GraphicsPSOInit.PrimitiveType = PT_TriangleList;
 
-		//SetGraphicsPipelineState(RHICmdList, GraphicsPSOInit);
-		RHICmdList.SetGraphicsPipelineState(GetAndOrCreateGraphicsPipelineState(RHICmdList, GraphicsPSOInit, EApplyRendertargetOption::CheckApply));
+		SetGraphicsPipelineState(RHICmdList, GraphicsPSOInit);
+		//RHICmdList.SetGraphicsPipelineState(GetAndOrCreateGraphicsPipelineState(RHICmdList, GraphicsPSOInit, EApplyRendertargetOption::CheckApply));
 
 		PixelShader->SetParameters(RHICmdList, TStaticSamplerState<SF_Bilinear>::GetRHI(), ViewportBackBuffer);
 
diff --git a/Plugins/MultiWindow/Source/MultiWindow/Public/MV_SpectatorWindowActor.h b/Plugins/MultiWindow/Source/MultiWindow/Public/MV_SpectatorWindowActor.h
index 91907ed..fde844c 100644
--- a/Plugins/MultiWindow/Source/MultiWindow/Public/MV_SpectatorWindowActor.h
+++ b/Plugins/MultiWindow/Source/MultiWindow/Public/MV_SpectatorWindowActor.h
@@ -4,6 +4,9 @@
 
 #include "CoreMinimal.h"
 #include "GameFramework/Actor.h"
+#include "Runtime/RHI/Public/RHI.h"
+#include "Runtime/SlateCore/Public/Widgets/SWindow.h"
+#include "Runtime/Engine/Classes/Engine/Texture2D.h"
 #include "MV_SpectatorWindowActor.generated.h"
 
 class UTexture2D;
diff --git a/SpectatorWindow.uproject b/SpectatorWindow.uproject
index 513d03f..b0bed74 100644
--- a/SpectatorWindow.uproject
+++ b/SpectatorWindow.uproject
@@ -1,6 +1,6 @@
 {
 	"FileVersion": 3,
-	"EngineAssociation": "4.17",
+	"EngineAssociation": "4.18",
 	"Category": "",
 	"Description": "",
 	"Modules": [