diff --git a/indra/newview/llviewercontrol.cpp b/indra/newview/llviewercontrol.cpp
index ec88813b5b44a1331026769eacbaa9cc8d1845c8..708a98d40a5bc453e409466314cf4a702f6a26e1 100644
--- a/indra/newview/llviewercontrol.cpp
+++ b/indra/newview/llviewercontrol.cpp
@@ -148,7 +148,7 @@ static bool handleRenderPerfTestChanged(const LLSD& newvalue)
 	}
 	else 
 	{
-	gPipeline.andRenderTypeMask(LLPipeline::RENDER_TYPE_WL_SKY,
+		gPipeline.setRenderTypeMask(LLPipeline::RENDER_TYPE_WL_SKY,
 									  LLPipeline::RENDER_TYPE_GROUND,
 									  LLPipeline::RENDER_TYPE_TERRAIN,
 									  LLPipeline::RENDER_TYPE_GRASS,