diff --git a/src/core/hle/D3D8/Direct3D9/Direct3D9.cpp b/src/core/hle/D3D8/Direct3D9/Direct3D9.cpp
index b1643f8d3..1bd75782c 100644
--- a/src/core/hle/D3D8/Direct3D9/Direct3D9.cpp
+++ b/src/core/hle/D3D8/Direct3D9/Direct3D9.cpp
@@ -3640,9 +3640,9 @@ void ValidateRenderTargetDimensions(DWORD HostRenderTarget_Width, DWORD HostRend
     // Because of this, we need to validate that the associated host resource still matches the dimensions of the Xbox Render Target
     // If not, we must force them to be re-created
     // TEST CASE: Chihiro Factory Test Program
-    DWORD HostRenderTarget_Width_Unscaled = HostRenderTarget_Width / g_RenderScaleFactor;
-    DWORD HostRenderTarget_Height_Unscaled = HostRenderTarget_Height / g_RenderScaleFactor;
-    if (HostRenderTarget_Width_Unscaled != XboxRenderTarget_Width || HostRenderTarget_Height_Unscaled != XboxRenderTarget_Height) {
+    DWORD XboxRenderTarget_Width_Scaled = XboxRenderTarget_Width * g_RenderScaleFactor;
+    DWORD XboxRenderTarget_Height_Scaled = XboxRenderTarget_Height * g_RenderScaleFactor;
+    if (HostRenderTarget_Width != XboxRenderTarget_Width_Scaled || HostRenderTarget_Height != XboxRenderTarget_Height_Scaled) {
         LOG_TEST_CASE("Existing RenderTarget width/height changed");
 
         if (g_pXbox_RenderTarget == g_pXbox_BackBufferSurface) {