diff --git a/core/src/main/resources/hudson/widgets/HistoryWidget/index.jelly b/core/src/main/resources/hudson/widgets/HistoryWidget/index.jelly
index ce95917a740dea4015bad9a14b4cf51c6585be2c..e4eccaba2b767428da1d48aea4e0ed7722c1f2ca 100644
--- a/core/src/main/resources/hudson/widgets/HistoryWidget/index.jelly
+++ b/core/src/main/resources/hudson/widgets/HistoryWidget/index.jelly
@@ -61,7 +61,7 @@ THE SOFTWARE.
               box.innerHTML = '<img src="${imagesURL}/spinner.gif" alt=""/>';
 
               // then actually fetch the HTML
-              new Ajax.Request("${it.baseUrl}/buildHistory/all/",{
+              new Ajax.Request("${it.baseUrl}/buildHistory/all",{
                 method: "get",
                 onComplete: function(rsp,_) {
                   <!-- neither outerHTML nor responseXML works in Firefox 2.0 -->