diff --git a/src/xercesc/dom/DOMLSParserFilter.hpp b/src/xercesc/dom/DOMLSParserFilter.hpp
index 542f14161ede3d94e1d50f49874732aaaf10621b..30af5918944ff8d0614086b8448c9cce5c55481b 100644
--- a/src/xercesc/dom/DOMLSParserFilter.hpp
+++ b/src/xercesc/dom/DOMLSParserFilter.hpp
@@ -37,6 +37,8 @@
 
 XERCES_CPP_NAMESPACE_BEGIN
 
+class DOMElement;
+class DOMNode;
 
 class CDOM_EXPORT DOMLSParserFilter {
 protected: