diff --git a/Source/Core/VideoCommon/Src/BPStructs.cpp b/Source/Core/VideoCommon/Src/BPStructs.cpp
index 314041f89493..31f873acc632 100644
--- a/Source/Core/VideoCommon/Src/BPStructs.cpp
+++ b/Source/Core/VideoCommon/Src/BPStructs.cpp
@@ -356,6 +356,7 @@ void BPWritten(const BPCmd& bp)
 		PRIM_LOG("alphacmp: ref0=%d, ref1=%d, comp0=%d, comp1=%d, logic=%d", bpmem.alpha_test.ref0,
 				bpmem.alpha_test.ref1, bpmem.alpha_test.comp0, bpmem.alpha_test.comp1, bpmem.alpha_test.logic);
 		PixelShaderManager::SetAlpha(bpmem.alpha_test);
+		g_renderer->SetColorMask();
 		break;
 	case BPMEM_BIAS: // BIAS
 		PRIM_LOG("ztex bias=0x%x", bpmem.ztex1.bias);