diff --git a/DDrawCompat/D3dDdi/Resource.cpp b/DDrawCompat/D3dDdi/Resource.cpp
index 873cc45..42ed674 100644
--- a/DDrawCompat/D3dDdi/Resource.cpp
+++ b/DDrawCompat/D3dDdi/Resource.cpp
@@ -135,6 +135,7 @@ namespace D3dDdi
 		, m_isSurfaceRepoResource(SurfaceRepository::inCreateSurface() || !g_enableConfig)
 		, m_isClampable(true)
 		, m_isPrimary(false)
+		, m_isPrimaryScalingNeeded(false)
 		, m_isPalettizedTextureUpToDate(false)
 		, m_isColorKeyedSurfaceUpToDate(false)
 	{
@@ -380,6 +381,12 @@ namespace D3dDdi
 			srcResource.loadFromLockRefResource(data.SrcSubResourceIndex);
 		}
 
+		if (m_isPrimary && !m_isPrimaryScalingNeeded && srcResource.isScaled(data.SrcSubResourceIndex))
+		{
+			m_isPrimaryScalingNeeded = true;
+			updateConfig();
+		}
+
 		Resource* srcRes = &srcResource;
 		if (m_msaaResolvedSurface.resource && srcResource.m_msaaResolvedSurface.resource &&
 			(srcResource.m_lockData[data.SrcSubResourceIndex].isMsaaResolvedUpToDate ||
@@ -821,13 +828,25 @@ namespace D3dDdi
 	SIZE Resource::getScaledSize()
 	{
 		SIZE size = { static_cast<LONG>(m_fixedData.pSurfList[0].Width), static_cast<LONG>(m_fixedData.pSurfList[0].Height) };
-		if (m_origData.Flags.RenderTarget || m_fixedData.Flags.ZBuffer)
+		if (m_isPrimary && m_isPrimaryScalingNeeded || m_origData.Flags.RenderTarget || m_fixedData.Flags.ZBuffer)
 		{
 			return m_device.getAdapter().getScaledSize(size);
 		}
 		return size;
 	}
 
+	bool Resource::isScaled(UINT subResourceIndex)
+	{
+		if (!m_msaaResolvedSurface.resource)
+		{
+			return false;
+		}
+
+		auto& si = m_fixedData.pSurfList[subResourceIndex];
+		auto& scaledSi = m_msaaResolvedSurface.resource->getFixedDesc().pSurfList[subResourceIndex];
+		return si.Width != scaledSi.Width || si.Height != scaledSi.Height;
+	}
+
 	bool Resource::isValidRect(UINT subResourceIndex, const RECT& rect)
 	{
 		return rect.left >= 0 && rect.top >= 0 && rect.left < rect.right && rect.top < rect.bottom &&
diff --git a/DDrawCompat/D3dDdi/Resource.h b/DDrawCompat/D3dDdi/Resource.h
index 010a31d..2d8a229 100644
--- a/DDrawCompat/D3dDdi/Resource.h
+++ b/DDrawCompat/D3dDdi/Resource.h
@@ -117,6 +117,7 @@ namespace D3dDdi
 		D3DDDIFORMAT getFormatConfig();
 		std::pair<D3DDDIMULTISAMPLE_TYPE, UINT> getMultisampleConfig();
 		SIZE getScaledSize();
+		bool isScaled(UINT subResourceIndex);
 		bool isValidRect(UINT subResourceIndex, const RECT& rect);
 		void loadFromLockRefResource(UINT subResourceIndex);
 		void loadMsaaResource(UINT subResourceIndex);
@@ -155,6 +156,7 @@ namespace D3dDdi
 		bool m_isSurfaceRepoResource;
 		bool m_isClampable;
 		bool m_isPrimary;
+		bool m_isPrimaryScalingNeeded;
 		bool m_isPalettizedTextureUpToDate;
 		bool m_isColorKeyedSurfaceUpToDate;
 	};