diff --git a/desmume/src/GPU.cpp b/desmume/src/GPU.cpp
index 8fe79ed94..93caddcf0 100644
--- a/desmume/src/GPU.cpp
+++ b/desmume/src/GPU.cpp
@@ -2159,12 +2159,12 @@ FORCEINLINE void GPUEngineBase::_RenderPixel16_SSE2(const size_t dstX,
 	dstEffectEnableMask = _mm_shuffle_epi8(this->_blend2_SSSE3, dstLayerID);
 	dstEffectEnableMask = _mm_xor_si128( _mm_cmpeq_epi8(dstEffectEnableMask, _mm_setzero_si128()), _mm_set1_epi32(0xFFFFFFFF) );
 #else
-	dstEffectEnableMask =                                   _mm_and_si128(_mm_cmpeq_epi8(dstLayerID_vec128, _mm_set1_epi8(GPULayerID_BG0)), this->_blend2_SSE2[GPULayerID_BG0]);
-	dstEffectEnableMask = _mm_or_si128(dstEffectEnableMask, _mm_and_si128(_mm_cmpeq_epi8(dstLayerID_vec128, _mm_set1_epi8(GPULayerID_BG1)), this->_blend2_SSE2[GPULayerID_BG1]) );
-	dstEffectEnableMask = _mm_or_si128(dstEffectEnableMask, _mm_and_si128(_mm_cmpeq_epi8(dstLayerID_vec128, _mm_set1_epi8(GPULayerID_BG2)), this->_blend2_SSE2[GPULayerID_BG2]) );
-	dstEffectEnableMask = _mm_or_si128(dstEffectEnableMask, _mm_and_si128(_mm_cmpeq_epi8(dstLayerID_vec128, _mm_set1_epi8(GPULayerID_BG3)), this->_blend2_SSE2[GPULayerID_BG3]) );
-	dstEffectEnableMask = _mm_or_si128(dstEffectEnableMask, _mm_and_si128(_mm_cmpeq_epi8(dstLayerID_vec128, _mm_set1_epi8(GPULayerID_OBJ)), this->_blend2_SSE2[GPULayerID_OBJ]) );
-	dstEffectEnableMask = _mm_or_si128(dstEffectEnableMask, _mm_and_si128(_mm_cmpeq_epi8(dstLayerID_vec128, _mm_set1_epi8(GPULayerID_Backdrop)), this->_blend2_SSE2[GPULayerID_Backdrop]) );
+	dstEffectEnableMask =                                   _mm_and_si128(_mm_cmpeq_epi8(dstLayerID, _mm_set1_epi8(GPULayerID_BG0)), this->_blend2_SSE2[GPULayerID_BG0]);
+	dstEffectEnableMask = _mm_or_si128(dstEffectEnableMask, _mm_and_si128(_mm_cmpeq_epi8(dstLayerID, _mm_set1_epi8(GPULayerID_BG1)), this->_blend2_SSE2[GPULayerID_BG1]) );
+	dstEffectEnableMask = _mm_or_si128(dstEffectEnableMask, _mm_and_si128(_mm_cmpeq_epi8(dstLayerID, _mm_set1_epi8(GPULayerID_BG2)), this->_blend2_SSE2[GPULayerID_BG2]) );
+	dstEffectEnableMask = _mm_or_si128(dstEffectEnableMask, _mm_and_si128(_mm_cmpeq_epi8(dstLayerID, _mm_set1_epi8(GPULayerID_BG3)), this->_blend2_SSE2[GPULayerID_BG3]) );
+	dstEffectEnableMask = _mm_or_si128(dstEffectEnableMask, _mm_and_si128(_mm_cmpeq_epi8(dstLayerID, _mm_set1_epi8(GPULayerID_OBJ)), this->_blend2_SSE2[GPULayerID_OBJ]) );
+	dstEffectEnableMask = _mm_or_si128(dstEffectEnableMask, _mm_and_si128(_mm_cmpeq_epi8(dstLayerID, _mm_set1_epi8(GPULayerID_Backdrop)), this->_blend2_SSE2[GPULayerID_Backdrop]) );
 #endif
 	
 	dstEffectEnableMask = _mm_andnot_si128( _mm_cmpeq_epi8(dstLayerID, _mm_set1_epi8(LAYERID)), dstEffectEnableMask );