diff --git a/src/brut/androlib/res/util/ExtMXSerializer.java b/src/brut/androlib/res/util/ExtMXSerializer.java
index c1f7d7d5..72a7d1f6 100644
--- a/src/brut/androlib/res/util/ExtMXSerializer.java
+++ b/src/brut/androlib/res/util/ExtMXSerializer.java
@@ -29,7 +29,7 @@ public class ExtMXSerializer extends MXSerializer {
     public void startDocument(String encoding, Boolean standalone) throws
             IOException, IllegalArgumentException, IllegalStateException {
         super.startDocument(encoding != null ? encoding : "UTF-8", standalone);
-        super.out.write(System.getProperty("line.separator"));
+        super.out.write(lineSeparator);
     }
 
     @Override