diff --git a/wise-webapp/src/main/java/com/wisemapping/view/MindMapBean.java b/wise-webapp/src/main/java/com/wisemapping/view/MindMapBean.java
index 49a32df0..bf5f0fda 100644
--- a/wise-webapp/src/main/java/com/wisemapping/view/MindMapBean.java
+++ b/wise-webapp/src/main/java/com/wisemapping/view/MindMapBean.java
@@ -127,7 +127,7 @@ public class MindMapBean {
         final String xmlAsJsLiteral = this.mindmap.getXmlAsJsLiteral();
 
         // Firefox is failing for this. Need to be reviewed ...
-        return xmlAsJsLiteral.replace(Pattern.quote("\\u0000"),"");
+        return xmlAsJsLiteral.replace("\\u0000","");
     }
 
     public String getProperties() throws WiseMappingException {