diff --git a/server/web/jquery.stream-1.2.js b/server/web/jquery.stream-1.2.js
index f70017d..1bb81ef 100644
--- a/server/web/jquery.stream-1.2.js
+++ b/server/web/jquery.stream-1.2.js
@@ -289,7 +289,13 @@
 				// optional identifier within the server
 				stream.id = text.substring(0, text.indexOf(";"));
 				// message.index = text.indexOf(";", stream.id.length + ";".length) + ";".length;
-				message.index = text.indexOf(";", stream.id.length + 1) + 1;
+				// tonyg 20120525: If the current chunk doesn't include the end-of-padding marker,
+				// don't accept the header until it does.
+				var semiPos = text.indexOf(";", stream.id.length + 1);
+				if (semiPos < 0) {
+					return false;
+				}
+				message.index = semiPos + 1;
 			};
 			handleMessage = stream.options.handleMessage || function(text, message) {
 				// Response could contain a single message, multiple messages or a fragment of a message