diff --git a/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/adwindow/AbstractADWindowContent.java b/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/adwindow/AbstractADWindowContent.java
index ef4a7b74b2..32200e9523 100644
--- a/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/adwindow/AbstractADWindowContent.java
+++ b/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/adwindow/AbstractADWindowContent.java
@@ -937,6 +937,9 @@ public abstract class AbstractADWindowContent extends AbstractUIPart implements
 			if (infoName != null && infoDisplay != null)
 				break;
 		}
+		if (infoDisplay == null) {
+			infoDisplay = "";
+		}
 		String description = infoName + ": " + infoDisplay;
 
     	WChat chat = new WChat(curWindowNo, adTabbox.getSelectedGridTab().getCM_ChatID(), adTabbox.getSelectedGridTab().getAD_Table_ID(), recordId, description, null);