diff --git a/extension/content/firebug/net/netPanel.js b/extension/content/firebug/net/netPanel.js
index 2e031418c6..47a9f27640 100644
--- a/extension/content/firebug/net/netPanel.js
+++ b/extension/content/firebug/net/netPanel.js
@@ -476,7 +476,7 @@ NetPanel.prototype = Obj.extend(Firebug.ActivablePanel,
     {
         var params = Url.parseURLParams(file.href);
         var result = params.map(function(o) { return o.name + ": " + o.value; });
-        System.copyToClipboard(result.join("\n"));
+        System.copyToClipboard(result.join(Str.lineBreak()));
     },
 
     copyPOSTParams: function(file)