diff --git a/mithril.js b/mithril.js
index a7e51cef..425c3fec 100644
--- a/mithril.js
+++ b/mithril.js
@@ -1113,7 +1113,7 @@ var m = (function app(window, undefined) {
 		var isJSONP = xhrOptions.dataType && xhrOptions.dataType.toLowerCase() === "jsonp";
 		var serialize = xhrOptions.serialize = isJSONP ? identity : xhrOptions.serialize || JSON.stringify;
 		var deserialize = xhrOptions.deserialize = isJSONP ? identity : xhrOptions.deserialize || JSON.parse;
-		var extract = xhrOptions.extract || function(xhr) {
+		var extract = isJSONP ? function(jsonp) {return jsonp.responseText} : xhrOptions.extract || function(xhr) {
 			return xhr.responseText.length === 0 && deserialize === JSON.parse ? null : xhr.responseText
 		};
 		xhrOptions.method = (xhrOptions.method || 'GET').toUpperCase();