diff --git a/Windows/GPU/D3D11Context.cpp b/Windows/GPU/D3D11Context.cpp
index c8911e5144..31b3bcb086 100644
--- a/Windows/GPU/D3D11Context.cpp
+++ b/Windows/GPU/D3D11Context.cpp
@@ -42,12 +42,12 @@ D3D11Context::~D3D11Context() {
 }
 
 void D3D11Context::SwapBuffers() {
-	swapChain_->Present(0, 0);
+	swapChain_->Present(swapInterval_, 0);
 	draw_->HandleEvent(Draw::Event::PRESENTED, 0, 0, nullptr, nullptr);
 }
 
 void D3D11Context::SwapInterval(int interval) {
-	// Dummy
+	swapInterval_ = interval;
 }
 
 HRESULT D3D11Context::CreateTheDevice(IDXGIAdapter *adapter) {
diff --git a/Windows/GPU/D3D11Context.h b/Windows/GPU/D3D11Context.h
index 88f1547295..07d551b7de 100644
--- a/Windows/GPU/D3D11Context.h
+++ b/Windows/GPU/D3D11Context.h
@@ -67,4 +67,5 @@ private:
 	HMODULE hD3D11;
 	int width;
 	int height;
+	int swapInterval_ = 0;
 };