diff --git a/miniwin/src/d3drm/backends/sdl3gpu/renderer.cpp b/miniwin/src/d3drm/backends/sdl3gpu/renderer.cpp
index 0609bbdc..7a6589f0 100644
--- a/miniwin/src/d3drm/backends/sdl3gpu/renderer.cpp
+++ b/miniwin/src/d3drm/backends/sdl3gpu/renderer.cpp
@@ -1009,7 +1009,7 @@ void Direct3DRMSDL3GPURenderer::Download(SDL_Surface* target)
 	}
 
 	SDL_Surface* renderedImage =
-		SDL_CreateSurfaceFrom(width, height, SDL_PIXELFORMAT_ARGB8888, downloadedData, width * 4);
+		SDL_CreateSurfaceFrom(width, height, SDL_PIXELFORMAT_XRGB8888, downloadedData, width * 4);
 
 	SDL_BlitSurfaceScaled(renderedImage, nullptr, target, nullptr, SDL_SCALEMODE_NEAREST);
 	SDL_DestroySurface(renderedImage);
diff --git a/miniwin/src/d3drm/backends/software/renderer.cpp b/miniwin/src/d3drm/backends/software/renderer.cpp
index bd99d2aa..48c9c3ef 100644
--- a/miniwin/src/d3drm/backends/software/renderer.cpp
+++ b/miniwin/src/d3drm/backends/software/renderer.cpp
@@ -761,10 +761,9 @@ void Direct3DRMSoftwareRenderer::Resize(int width, int height, const ViewportTra
 
 void Direct3DRMSoftwareRenderer::Clear(float r, float g, float b)
 {
-	SDL_Rect rect = {0, 0, m_renderedImage->w, m_renderedImage->h};
 	const SDL_PixelFormatDetails* details = SDL_GetPixelFormatDetails(m_renderedImage->format);
 	Uint32 color = SDL_MapRGB(details, m_palette, r * 255, g * 255, b * 255);
-	SDL_FillSurfaceRect(m_renderedImage, &rect, color);
+	SDL_FillSurfaceRect(m_renderedImage, nullptr, color);
 }
 
 void Direct3DRMSoftwareRenderer::Flip()
diff --git a/miniwin/src/ddraw/framebuffer.cpp b/miniwin/src/ddraw/framebuffer.cpp
index 843c36ec..ea66e96b 100644
--- a/miniwin/src/ddraw/framebuffer.cpp
+++ b/miniwin/src/ddraw/framebuffer.cpp
@@ -172,11 +172,10 @@ HRESULT FrameBufferImpl::Lock(LPRECT lpDestRect, DDSURFACEDESC* lpDDSurfaceDesc,
 		return DDERR_GENERIC;
 	}
 	if ((dwFlags & DDLOCK_WRITEONLY) == DDLOCK_WRITEONLY) {
-		SDL_Rect rect = {0, 0, m_transferBuffer->m_surface->w, m_transferBuffer->m_surface->h};
 		const SDL_PixelFormatDetails* details = SDL_GetPixelFormatDetails(m_transferBuffer->m_surface->format);
 		SDL_Palette* palette = m_palette ? static_cast<DirectDrawPaletteImpl*>(m_palette)->m_palette : nullptr;
 		Uint32 color = SDL_MapRGBA(details, palette, 0, 0, 0, 0);
-		SDL_FillSurfaceRect(m_transferBuffer->m_surface, &rect, color);
+		SDL_FillSurfaceRect(m_transferBuffer->m_surface, nullptr, color);
 	}
 	else {
 		DDRenderer->Download(m_transferBuffer->m_surface);