diff --git a/src/main/scala/app/PullRequestsController.scala b/src/main/scala/app/PullRequestsController.scala
index 23ed289..2bccdae 100644
--- a/src/main/scala/app/PullRequestsController.scala
+++ b/src/main/scala/app/PullRequestsController.scala
@@ -192,10 +192,11 @@
               closeIssuesFromMessage(form.message, loginAccount.userName, owner, name)
             }
             // call web hook
+            // TODO: set action https://developer.github.com/v3/activity/events/types/#pullrequestevent
             getWebHookURLs(owner, name) match {
               case webHookURLs if(webHookURLs.nonEmpty) =>
                 for(ownerAccount <- getAccountByUserName(owner)){
-                  callWebHook(owner, name, webHookURLs,
+                  callWebHook("pull_request", webHookURLs,
                     WebHookPayload(git, loginAccount, mergeBaseRefName, repository, commits.flatten.toList, ownerAccount))
                 }
               case _ =>
diff --git a/src/main/scala/app/RepositorySettingsController.scala b/src/main/scala/app/RepositorySettingsController.scala
index cce95bb..a396801 100644
--- a/src/main/scala/app/RepositorySettingsController.scala
+++ b/src/main/scala/app/RepositorySettingsController.scala
@@ -166,7 +166,7 @@
         .call.iterator.asScala.map(new CommitInfo(_))
 
       getAccountByUserName(repository.owner).foreach { ownerAccount =>
-        callWebHook(repository.owner, repository.name,
+        callWebHook("push",
           List(model.WebHook(repository.owner, repository.name, form.url)),
           WebHookPayload(git, ownerAccount, "refs/heads/" + repository.repository.defaultBranch, repository, commits.toList, ownerAccount)
         )
diff --git a/src/main/scala/app/RepositoryViewerController.scala b/src/main/scala/app/RepositoryViewerController.scala
index 8faf1ad..e288c98 100644
--- a/src/main/scala/app/RepositoryViewerController.scala
+++ b/src/main/scala/app/RepositoryViewerController.scala
@@ -507,7 +507,7 @@
         getWebHookURLs(repository.owner, repository.name) match {
           case webHookURLs if(webHookURLs.nonEmpty) =>
             for(ownerAccount <- getAccountByUserName(repository.owner)){
-              callWebHook(repository.owner, repository.name, webHookURLs,
+              callWebHook("push", webHookURLs,
                 WebHookPayload(git, loginAccount, headName, repository, List(commit), ownerAccount))
             }
           case _ =>
diff --git a/src/main/scala/service/WebHookService.scala b/src/main/scala/service/WebHookService.scala
index a2dafbf..98ee9be 100644
--- a/src/main/scala/service/WebHookService.scala
+++ b/src/main/scala/service/WebHookService.scala
@@ -27,7 +27,7 @@
   def deleteWebHookURL(owner: String, repository: String, url :String)(implicit s: Session): Unit =
     WebHooks.filter(_.byPrimaryKey(owner, repository, url)).delete
 
-  def callWebHook(owner: String, repository: String, webHookURLs: List[WebHook], payload: WebHookPayload): Unit = {
+  def callWebHook(eventName: String, webHookURLs: List[WebHook], payload: WebHookPayload): Unit = {
     import org.json4s._
     import org.json4s.jackson.Serialization
     import org.json4s.jackson.Serialization.{read, write}
@@ -47,6 +47,7 @@
         val f = Future {
           logger.debug(s"start web hook invocation for ${webHookUrl}")
           val httpPost = new HttpPost(webHookUrl.url)
+          httpPost.addHeader("X-Github-Event", eventName)
 
           val params: java.util.List[NameValuePair] = new java.util.ArrayList()
           params.add(new BasicNameValuePair("payload", json))
diff --git a/src/main/scala/servlet/GitRepositoryServlet.scala b/src/main/scala/servlet/GitRepositoryServlet.scala
index 7fde407..0dfd774 100644
--- a/src/main/scala/servlet/GitRepositoryServlet.scala
+++ b/src/main/scala/servlet/GitRepositoryServlet.scala
@@ -185,7 +185,7 @@
               for(pusherAccount <- getAccountByUserName(pusher);
                   ownerAccount   <- getAccountByUserName(owner);
                   repositoryInfo <- getRepository(owner, repository, baseUrl)){
-                callWebHook(owner, repository, webHookURLs,
+                callWebHook("push", webHookURLs,
                   WebHookPayload(git, pusherAccount, command.getRefName, repositoryInfo, newCommits, ownerAccount))
               }
             case _ =>