diff --git a/src/core/gpu_hw_shadergen.cpp b/src/core/gpu_hw_shadergen.cpp
index 83e329ec5..b6fa26f29 100644
--- a/src/core/gpu_hw_shadergen.cpp
+++ b/src/core/gpu_hw_shadergen.cpp
@@ -848,8 +848,8 @@ float4 SampleFromVRAM(uint4 texpage, float2 coords)
       #if !PALETTE
         // Extend the UV range to all "upscaled" pixels. This means 1-pixel-high polygon-based 
         // framebuffer effects won't be downsampled. (e.g. Mega Man Legends 2 haze effect)
-        uv_limits.xy *= float(RESOLUTION_SCALE);
-        uv_limits.zw = (uv_limits.zw * float(RESOLUTION_SCALE + 1u)) - float(RESOLUTION_SCALE - 1u);
+        uv_limits *= float(RESOLUTION_SCALE);
+        uv_limits.zw += float(RESOLUTION_SCALE - 1u);
       #endif
     #endif