diff --git a/src/org/apache/xml/serializer/dom3/DOM3TreeWalker.java b/src/org/apache/xml/serializer/dom3/DOM3TreeWalker.java
index 59dcae7..9b5af71 100644
--- a/src/org/apache/xml/serializer/dom3/DOM3TreeWalker.java
+++ b/src/org/apache/xml/serializer/dom3/DOM3TreeWalker.java
@@ -2140,7 +2140,7 @@
         // Set the newLine character to use
         if (fNewLine != null) {
             fSerializer.setOutputProperty(OutputPropertiesFactory.S_KEY_LINE_SEPARATOR,
-                    fNewLine.toString());
+                    String.valueOf(fNewLine));
         }
     }