diff --git a/src/main/scala/gitbucket/core/controller/PullRequestsController.scala b/src/main/scala/gitbucket/core/controller/PullRequestsController.scala
index 3cbd887..2f93024 100644
--- a/src/main/scala/gitbucket/core/controller/PullRequestsController.scala
+++ b/src/main/scala/gitbucket/core/controller/PullRequestsController.scala
@@ -113,7 +113,7 @@
         val name = repository.name
         getPullRequest(owner, name, issueId) map {
           case (issue, pullreq) =>
-            val (commits, _) =
+            val (commits, diffs) =
               getRequestCompareInfo(owner, name, pullreq.commitIdFrom, owner, name, pullreq.commitIdTo)
 
             html.conversation(
@@ -121,6 +121,7 @@
               pullreq,
               commits.flatten,
               getPullRequestComments(owner, name, issue.issueId, commits.flatten),
+              diffs.size,
               getIssueLabels(owner, name, issueId),
               getAssignableUserNames(owner, name),
               getMilestonesWithIssueCount(owner, name),
@@ -157,23 +158,25 @@
   })
 
   get("/:owner/:repository/pull/:id/commits")(referrersOnly { repository =>
-    params("id").toIntOpt.flatMap { issueId =>
-      val owner = repository.owner
-      val name = repository.name
-      getPullRequest(owner, name, issueId) map {
-        case (issue, pullreq) =>
-          val (commits, _) =
-            getRequestCompareInfo(owner, name, pullreq.commitIdFrom, owner, name, pullreq.commitIdTo)
+    params("id").toIntOpt.flatMap {
+      issueId =>
+        val owner = repository.owner
+        val name = repository.name
+        getPullRequest(owner, name, issueId) map {
+          case (issue, pullreq) =>
+            val (commits, diffs) =
+              getRequestCompareInfo(owner, name, pullreq.commitIdFrom, owner, name, pullreq.commitIdTo)
 
-          html.commits(
-            issue,
-            pullreq,
-            commits,
-            getPullRequestComments(owner, name, issue.issueId, commits.flatten),
-            isManageable(repository),
-            repository
-          )
-      }
+            html.commits(
+              issue,
+              pullreq,
+              commits,
+              getPullRequestComments(owner, name, issue.issueId, commits.flatten),
+              diffs.size,
+              isManageable(repository),
+              repository
+            )
+        }
     } getOrElse NotFound()
   })
 
diff --git a/src/main/twirl/gitbucket/core/pulls/commits.scala.html b/src/main/twirl/gitbucket/core/pulls/commits.scala.html
index 1a52757..a21fc6a 100644
--- a/src/main/twirl/gitbucket/core/pulls/commits.scala.html
+++ b/src/main/twirl/gitbucket/core/pulls/commits.scala.html
@@ -2,10 +2,11 @@
   pullreq: gitbucket.core.model.PullRequest,
   commits: Seq[Seq[gitbucket.core.util.JGitUtil.CommitInfo]],
   comments: Seq[gitbucket.core.model.Comment],
+  changedFileSize: Int,
   isManageable: Boolean,
   repository: gitbucket.core.service.RepositoryService.RepositoryInfo)(implicit context: gitbucket.core.controller.Context)
 @import gitbucket.core.view.helpers
-@gitbucket.core.pulls.html.menu("commits", issue, pullreq, commits.flatten, comments, isManageable, repository){
+@gitbucket.core.pulls.html.menu("commits", issue, pullreq, commits.flatten, comments, changedFileSize, isManageable, repository){
   <table class="table table-bordered">
   @commits.map { day =>
     <tr>
diff --git a/src/main/twirl/gitbucket/core/pulls/conversation.scala.html b/src/main/twirl/gitbucket/core/pulls/conversation.scala.html
index a30834c..3cc395a 100644
--- a/src/main/twirl/gitbucket/core/pulls/conversation.scala.html
+++ b/src/main/twirl/gitbucket/core/pulls/conversation.scala.html
@@ -2,6 +2,7 @@
   pullreq: gitbucket.core.model.PullRequest,
   commits: Seq[gitbucket.core.util.JGitUtil.CommitInfo],
   comments: Seq[gitbucket.core.model.Comment],
+  changedFileSize: Int,
   issueLabels: List[gitbucket.core.model.Label],
   collaborators: List[String],
   milestones: List[(gitbucket.core.model.Milestone, Int, Int)],
@@ -14,7 +15,7 @@
   forkedRepository: Option[gitbucket.core.service.RepositoryService.RepositoryInfo],
   flash: Map[String, String])(implicit context: gitbucket.core.controller.Context)
 @import gitbucket.core.view.helpers
-@gitbucket.core.pulls.html.menu("conversation", issue, pullreq, commits, comments, isManageable, repository, flash){
+@gitbucket.core.pulls.html.menu("conversation", issue, pullreq, commits, comments, changedFileSize, isManageable, repository, flash){
   <link href="@helpers.assets("/vendors/jsdifflib/diffview.css")" type="text/css" rel="stylesheet" />
   <div class="col-md-9">
     <div id="comment-list">
diff --git a/src/main/twirl/gitbucket/core/pulls/files.scala.html b/src/main/twirl/gitbucket/core/pulls/files.scala.html
index e58cccd..88d6cbf 100644
--- a/src/main/twirl/gitbucket/core/pulls/files.scala.html
+++ b/src/main/twirl/gitbucket/core/pulls/files.scala.html
@@ -5,7 +5,7 @@
   comments: Seq[gitbucket.core.model.Comment],
   isManageable: Boolean,
   repository: gitbucket.core.service.RepositoryService.RepositoryInfo)(implicit context: gitbucket.core.controller.Context)
-@gitbucket.core.pulls.html.menu("files", issue, pullreq, commits, comments, isManageable, repository) {
+@gitbucket.core.pulls.html.menu("files", issue, pullreq, commits, comments, diffs.size, isManageable, repository) {
   @gitbucket.core.helper.html.diff(
     diffs,
     repository,
diff --git a/src/main/twirl/gitbucket/core/pulls/menu.scala.html b/src/main/twirl/gitbucket/core/pulls/menu.scala.html
index 18f1c27..38f4c27 100644
--- a/src/main/twirl/gitbucket/core/pulls/menu.scala.html
+++ b/src/main/twirl/gitbucket/core/pulls/menu.scala.html
@@ -3,6 +3,7 @@
   pullreq: gitbucket.core.model.PullRequest,
   commits: Seq[gitbucket.core.util.JGitUtil.CommitInfo],
   comments: Seq[gitbucket.core.model.Comment],
+  changedFileSize: Int,
   isManageable: Boolean,
   repository: gitbucket.core.service.RepositoryService.RepositoryInfo,
   flash: Map[String, String] = Map.empty)(body: => Html)(implicit context: gitbucket.core.controller.Context)
@@ -68,9 +69,9 @@
       }
       </div>
       <ul class="nav nav-tabs fill-width" id="pullreq-tab">
-        <li @if(active=="conversation"){class="active"}><a href="@helpers.url(repository)/pull/@issue.issueId">Conversation</a></li>
-        <li @if(active=="commits"){class="active"}><a href="@helpers.url(repository)/pull/@issue.issueId/commits">Commits</a></li>
-        <li @if(active=="files"){class="active"}><a href="@helpers.url(repository)/pull/@issue.issueId/files">Files Changed</a></li>
+        <li @if(active=="conversation"){class="active"}><a href="@helpers.url(repository)/pull/@issue.issueId">Conversation <span class="badge">@comments.size</span></a></li>
+        <li @if(active=="commits"){class="active"}><a href="@helpers.url(repository)/pull/@issue.issueId/commits">Commits <span class="badge">@commits.size</span></a></li>
+        <li @if(active=="files"){class="active"}><a href="@helpers.url(repository)/pull/@issue.issueId/files">Files Changed <span class="badge">@changedFileSize</span></a></li>
       </ul>
       <div class="tab-content fill-width" style="padding-top: 20px;">
         @flash.get("error").map { error =>