diff --git a/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/window/FindWindow.java b/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/window/FindWindow.java
index 091e80c085..dfaf6294b8 100644
--- a/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/window/FindWindow.java
+++ b/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/window/FindWindow.java
@@ -238,7 +238,7 @@ public class FindWindow extends Window implements EventListener<Event>, ValueCha
         this.setSizable(true);  
         this.setMaximizable(true);
         
-        this.setId("findWindow");
+        this.setId("findWindow_"+targetWindowNo);
     }
     
     public boolean initialize() 
@@ -2121,6 +2121,6 @@ public class FindWindow extends Window implements EventListener<Event>, ValueCha
 	public boolean isValid()
 	{
 		return isvalid;
-	}
+	}	
 	
 }   //  FindPanel
\ No newline at end of file