diff --git a/mithril.js b/mithril.js
index cf3c1b9c..efb3a92b 100644
--- a/mithril.js
+++ b/mithril.js
@@ -851,11 +851,12 @@ var m = (function app(window, undefined) {
 		else m.endComputation();
 	}
 
-	m.withAttr = function(prop, withAttrCallback) {
+	m.withAttr = function(prop, withAttrCallback, callbackThis) {
 		return function(e) {
 			e = e || event;
 			var currentTarget = e.currentTarget || this;
-			withAttrCallback(prop in currentTarget ? currentTarget[prop] : currentTarget.getAttribute(prop));
+			var _this = callbackThis || this;
+			withAttrCallback.call(_this, prop in currentTarget ? currentTarget[prop] : currentTarget.getAttribute(prop));
 		};
 	};
 
diff --git a/tests/mithril-tests.js b/tests/mithril-tests.js
index 36c50785..f1597309 100644
--- a/tests/mithril-tests.js
+++ b/tests/mithril-tests.js
@@ -1380,6 +1380,13 @@ function testMithril(mock) {
 		handler({currentTarget: {test: "foo"}})
 		return value === "foo"
 	})
+	test(function() {
+		var value
+		var _this
+		var handler = m.withAttr("test", function(data) {value = data}, _this)
+		handler({currentTarget: {test: "foo"}})
+		return value === "foo" && handler.this === _this
+	})
 
 	//m.trust
 	test(function() {return m.trust("test").valueOf() === "test"})