diff --git a/src/main/java/it/geosolutions/geoserver/rest/encoder/utils/PropertyXMLEncoder.java b/src/main/java/it/geosolutions/geoserver/rest/encoder/utils/PropertyXMLEncoder.java
index ec7de13..5f121e5 100644
--- a/src/main/java/it/geosolutions/geoserver/rest/encoder/utils/PropertyXMLEncoder.java
+++ b/src/main/java/it/geosolutions/geoserver/rest/encoder/utils/PropertyXMLEncoder.java
@@ -102,7 +102,7 @@ public class PropertyXMLEncoder extends XmlElement {
 			if ((pp = ElementUtils.contains(e, key)) == null)
 				add(e, key, value);
 			else {
-				ElementUtils.remove(e, pp);
+				ElementUtils.remove(pp, pp);
 				add(e, key, value);
 			}
 		}