From 89850e9bea6c50f916d0e42fa713b59102203a9c Mon Sep 17 00:00:00 2001
From: rwldrn <waldron.rick@gmail.com>
Date: Fri, 22 Oct 2010 18:56:22 -0400
Subject: [PATCH] Fixes issue #5803

---
 src/ajax.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/ajax.js b/src/ajax.js
index a40e223e76..29e15b10d6 100644
--- a/src/ajax.js
+++ b/src/ajax.js
@@ -207,6 +207,12 @@ jQuery.extend({
 		if ( s.data && s.processData && typeof s.data !== "string" ) {
 			s.data = jQuery.param( s.data, s.traditional );
 		}
+		
+		// If the jsonpCallback has been set, we can assume that dataType is jsonp
+		// Ticket #5803
+		if ( s.jsonpCallback ) {
+		  s.dataType = "jsonp";
+		}
 
 		// Handle JSONP Parameter Callbacks
 		if ( s.dataType === "jsonp" ) {