--- src/protocol/http/org/apache/jmeter/protocol/http/config/gui/UrlConfigGui.java	(revision 1633145)
+++ src/protocol/http/org/apache/jmeter/protocol/http/config/gui/UrlConfigGui.java	(working copy)
@@ -203,9 +203,11 @@
              * On retrival, CRLF is converted back to LF for storage in the text field.
              * See
              */
-            HTTPArgument arg = new HTTPArgument("", text.replaceAll("\n","\r\n"), false);
-            arg.setAlwaysEncoded(false);
-            args.addArgument(arg);
+            if (!text.replaceAll("\n","\r\n").equals("")){ 
+	            HTTPArgument arg = new HTTPArgument("", text.replaceAll("\n","\r\n"), false);
+	            arg.setAlwaysEncoded(false);
+	            args.addArgument(arg);
+            }
         } else {
             args = (Arguments) argsPanel.createTestElement();
             HTTPArgument.convertArgumentsToHTTP(args);