diff --git a/cunimb.js b/cunimb.js
index 31e2311..419fd46 100644
--- a/cunimb.js
+++ b/cunimb.js
@@ -1462,7 +1462,7 @@ function initialize()
 	}
 
 	if (warn==1) {
-		document.getElementById("popup").innerHTML = "<img class=\"pr\" alt=\"close\" src=\"/pict/close.png\"><H1>Warning!</H1><BR><P style=\"text-align:justify;\"><B>The data on this site can be ambiguous in certain situations and the displayed position of an aircraft or glider can be displaced relative to the actual position.<BR>Before raising an alert please contact us so we can interpret the data correctly.</B></P>";
+		document.getElementById("popup").innerHTML = "<img class=\"pr\" alt=\"close\" src=\"" + tld + "/pict/close.png\"><H1>Warning!</H1><BR><P style=\"text-align:justify;\"><B>The data on this site can be ambiguous in certain situations and the displayed position of an aircraft or glider can be displaced relative to the actual position.<BR>Before raising an alert please contact us so we can interpret the data correctly.</B></P>";
 		op(300);
 	}