diff --git a/indra/llxuixml/llinitparam.h b/indra/llxuixml/llinitparam.h
index 3bddd50659218094eca90c94bce195b54f6224ab..582f5449d9d1ce28468b5160a334a327e7e2bc6e 100644
--- a/indra/llxuixml/llinitparam.h
+++ b/indra/llxuixml/llinitparam.h
@@ -858,7 +858,7 @@ namespace LLInitParam
 		{
 			const self_t& src_typed_param = static_cast<const self_t&>(src);
 			self_t& dst_typed_param = static_cast<self_t&>(dst);
-			if (dst_typed_param.T::merge(selfBlockDescriptor(), src_typed_param, overwrite || !dst_typed_param.isProvided()))
+			if (dst_typed_param.T::merge(BaseBlock::selfBlockDescriptor(), src_typed_param, overwrite || !dst_typed_param.isProvided()))
 			{
 				dst_typed_param.mData.clearKey();
 				return true;