diff --git a/.gitignore b/.gitignore
index fb11f9a..31015a8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -31,3 +31,5 @@ Thumbs.db
 .settings
 target
 *.class
+
+Session.vim
diff --git a/src/main/java/com/nerdwin15/stash/webhook/PullRequestEventListener.java b/src/main/java/com/nerdwin15/stash/webhook/PullRequestEventListener.java
index c389a20..f152fd7 100644
--- a/src/main/java/com/nerdwin15/stash/webhook/PullRequestEventListener.java
+++ b/src/main/java/com/nerdwin15/stash/webhook/PullRequestEventListener.java
@@ -63,8 +63,7 @@ protected void handleEvent(PullRequestEvent event) {
       return;
     }
 
-    String strRef = event.getPullRequest().getFromRef().toString()
-        .replaceFirst(".*refs/heads/", "");
+    String strRef = "refs/pull-requests/"+event.getPullRequest().getId().toString()+"/from";
     String strSha1 = event.getPullRequest().getFromRef().getLatestChangeset();
 
     EventContext context = new EventContext(event,
diff --git a/src/main/resources/static/jenkins-pr-triggerbutton.js b/src/main/resources/static/jenkins-pr-triggerbutton.js
index a9a0a1f..90b2158 100644
--- a/src/main/resources/static/jenkins-pr-triggerbutton.js
+++ b/src/main/resources/static/jenkins-pr-triggerbutton.js
@@ -8,7 +8,7 @@ define('plugin/jenkins/pr-triggerbutton', [
     return AJS.contextPath() + '/rest/jenkins/latest/projects/' 
       + pageState.getProject().getKey() + '/repos/' 
       + pageState.getRepository().getSlug() + '/triggerJenkins'
-      + '?branches=' + pageState.getPullRequest().getFromRef().getDisplayId()
+      + '?branches=pull-requests/' + pageState.getPullRequest().getId() + '/from'
       + '&sha1=' + pageState.getPullRequest().getFromRef().getLatestChangeset();
   };