diff --git a/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/component/WListbox.java b/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/component/WListbox.java
index ab91a27d1f..8063b1a82e 100644
--- a/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/component/WListbox.java
+++ b/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/component/WListbox.java
@@ -1189,7 +1189,7 @@ public class WListbox extends Listbox implements IMiniTable, TableValueChangeLis
 			{	
 				if(col == 0 )
 				{	
-					setValueAt(" Σ  " , row -1 , col);
+					setValueAt(" \u03a3  " , row -1 , col);
 				}	
 				else
 					setValueAt(null , row - 1, col );