diff --git a/src/FidelityFX.cpp b/src/FidelityFX.cpp
index 9748a80bb..19b9127dd 100644
--- a/src/FidelityFX.cpp
+++ b/src/FidelityFX.cpp
@@ -68,6 +68,8 @@ void FidelityFX::Upscale(Texture2D* a_color, Texture2D* a_alphaMask, float2 a_ji
 	static auto gameViewport = RE::BSGraphics::State::GetSingleton();
 	static auto context = reinterpret_cast<ID3D11DeviceContext*>(renderer->GetRuntimeData().context);
 
+	auto state = State::GetSingleton();
+
 	{
 		FfxFsr3DispatchUpscaleDescription dispatchParameters{};
 
@@ -80,10 +82,10 @@ void FidelityFX::Upscale(Texture2D* a_color, Texture2D* a_alphaMask, float2 a_ji
 		dispatchParameters.reactive = ffxGetResource(a_alphaMask->resource.get(), L"FSR3_InputReactiveMap", FFX_RESOURCE_STATE_PIXEL_COMPUTE_READ);
 		dispatchParameters.transparencyAndComposition = ffxGetResource(nullptr, L"FSR3_TransparencyAndCompositionMap", FFX_RESOURCE_STATE_PIXEL_COMPUTE_READ);
 
-		dispatchParameters.motionVectorScale.x = (float)gameViewport->screenWidth;
-		dispatchParameters.motionVectorScale.y = (float)gameViewport->screenHeight;
-		dispatchParameters.renderSize.width = gameViewport->screenWidth;
-		dispatchParameters.renderSize.height = gameViewport->screenHeight;
+		dispatchParameters.motionVectorScale.x = state->isVR ? state->screenSize.x / 2 : state->screenSize.x;
+		dispatchParameters.motionVectorScale.y = state->screenSize.y;
+		dispatchParameters.renderSize.width = (uint)state->screenSize.x;
+		dispatchParameters.renderSize.height = (uint)state->screenSize.y;
 		dispatchParameters.jitterOffset.x = -a_jitter.x;
 		dispatchParameters.jitterOffset.y = -a_jitter.y;
 
diff --git a/src/Streamline.cpp b/src/Streamline.cpp
index 67b839551..ea76fd3b6 100644
--- a/src/Streamline.cpp
+++ b/src/Streamline.cpp
@@ -518,7 +518,12 @@ void Streamline::UpdateConstants()
 	prevCameraToCamera.Invert();
 
 	sl::Constants slConstants = {};
-	slConstants.cameraAspectRatio = state->screenSize.x / state->screenSize.y;
+
+	if (state->isVR) {
+		slConstants.cameraAspectRatio = (state->screenSize.x * 0.5f) / state->screenSize.y;
+	} else {
+		slConstants.cameraAspectRatio = state->screenSize.x / state->screenSize.y;
+	}
 	slConstants.cameraFOV = Util::GetVerticalFOVRad();
 
 	static auto& cameraNear = (*(float*)(REL::RelocationID(517032, 403540).address() + 0x40));
diff --git a/src/Upscaling.cpp b/src/Upscaling.cpp
index 98e3a929f..4bfd03a05 100644
--- a/src/Upscaling.cpp
+++ b/src/Upscaling.cpp
@@ -154,11 +154,16 @@ void Upscaling::UpdateJitter()
 	auto upscaleMethod = GetUpscaleMethod();
 	if (upscaleMethod != UpscaleMethod::kTAA) {
 		static auto gameViewport = RE::BSGraphics::State::GetSingleton();
+		auto state = State::GetSingleton();
 
 		ffxFsr3UpscalerGetJitterOffset(&jitter.x, &jitter.y, gameViewport->frameCount, 8);
 
-		gameViewport->projectionPosScaleX = -2.0f * jitter.x / (float)gameViewport->screenWidth;
-		gameViewport->projectionPosScaleY = 2.0f * jitter.y / (float)gameViewport->screenHeight;
+		if (state->isVR)
+			gameViewport->projectionPosScaleX = -jitter.x / state->screenSize.x;
+		else
+			gameViewport->projectionPosScaleX = -2.0f * jitter.x / state->screenSize.x;
+
+		gameViewport->projectionPosScaleY = 2.0f * jitter.y / state->screenSize.y;
 	}
 }