diff --git a/indra/newview/llface.cpp b/indra/newview/llface.cpp
index 610ebcb787..f3eb750e24 100644
--- a/indra/newview/llface.cpp
+++ b/indra/newview/llface.cpp
@@ -1025,14 +1025,16 @@ bool LLFace::canRenderAsMask()
 
 	const LLTextureEntry* te = getTextureEntry();
 
-	if ((te->getColor().mV[3] == 1.0f) && // can't treat as mask if we have face alpha
-		(te->getGlow() == 0.f) && // glowing masks are hard to implement - don't mask
-		getTexture()->getIsAlphaMask()) // texture actually qualifies for masking (lazily recalculated but expensive)
+	if ((te->getColor().mV[3] == 1.0f) &&			// can't treat as mask if we have face alpha
+		(te->getGlow() == 0.f) &&					// glowing masks are hard to implement - don't mask
+		!getViewerObject()->isHUDAttachment() &&	// Fix from CoolVL: hud attachments are NOT maskable (else they would get affected by day light)
+		getTexture()->getIsAlphaMask())				// texture actually qualifies for masking (lazily recalculated but expensive)
 	{
 		if (LLPipeline::sRenderDeferred)
 		{
-			if (getViewerObject()->isHUDAttachment() || te->getFullbright())
-			{ //hud attachments and fullbright objects are NOT subject to the deferred rendering pipe
+			// Fix from CoolVL: hud attachments are NOT maskable at all - see above
+			if (/*!getViewerObject()->isHUDAttachment() &&*/ te->getFullbright())
+			{ //fullbright objects are NOT subject to the deferred rendering pipe
 				return LLPipeline::sAutoMaskAlphaNonDeferred;
 			}
 			else