diff --git a/indra/newview/llvovolume.cpp b/indra/newview/llvovolume.cpp
index a02c18d99f854abe84538613295e457d3a702c69..61589640fef0a366b4f40a42544a791bba307e35 100644
--- a/indra/newview/llvovolume.cpp
+++ b/indra/newview/llvovolume.cpp
@@ -5243,6 +5243,11 @@ bool can_batch_texture(LLFace* facep)
 		return false;
 	}
 	
+    if (facep->getTextureEntry()->getGLTFMaterial() != nullptr)
+    { // PBR materials break indexed texture batching
+        return false;
+    }
+
 	return true;
 }