diff --git a/indra/newview/llvovolume.cpp b/indra/newview/llvovolume.cpp
index 3be1f523529c78adbe6f42692a8a044fe53e4c93..685f854573b58c0c4509b3b0257d1bb7a89b73e9 100755
--- a/indra/newview/llvovolume.cpp
+++ b/indra/newview/llvovolume.cpp
@@ -5354,7 +5354,7 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::
 								mode == LLMaterial::DIFFUSE_ALPHA_MODE_EMISSIVE;
 			}
 
-			bool use_legacy_bump = te->getBumpmap() && (!mat || mat->getNormalID().isNull());
+			bool use_legacy_bump = te->getBumpmap() && (te->getBumpmap() < 18) && (!mat || mat->getNormalID().isNull());
 
 			if (mat && LLPipeline::sRenderDeferred && !hud_group)
 			{