diff --git a/src/main/scala/app/RepositoryViewerController.scala b/src/main/scala/app/RepositoryViewerController.scala
index 2a313c0..8c83f2c 100644
--- a/src/main/scala/app/RepositoryViewerController.scala
+++ b/src/main/scala/app/RepositoryViewerController.scala
@@ -57,7 +57,7 @@
     oldLineNumber: Option[Int],
     newLineNumber: Option[Int],
     content: String,
-    pullRequest: Boolean
+    issueId: Option[Int]
   )
 
   val editorForm = mapping(
@@ -83,7 +83,7 @@
     "oldLineNumber" -> trim(label("Old line number", optional(number()))),
     "newLineNumber" -> trim(label("New line number", optional(number()))),
     "content"       -> trim(label("Content", text(required))),
-    "pullRequest"   -> trim(label("In pull request", boolean()))
+    "issueId"       -> trim(label("Issue Id", optional(number())))
   )(CommentForm.apply)
 
   /**
@@ -247,20 +247,23 @@
   post("/:owner/:repository/commit/:id/comment/new", commentForm)(readableUsersOnly { (form, repository) =>
     val id = params("id")
     createCommitComment(repository.owner, repository.name, id, context.loginAccount.get.userName, form.content,
-      form.fileName, form.oldLineNumber, form.newLineNumber, form.pullRequest)
-    recordCommentCommitActivity(repository.owner, repository.name, context.loginAccount.get.userName, id, form.content)
+      form.fileName, form.oldLineNumber, form.newLineNumber, form.issueId.isDefined)
+    if (form.issueId.isDefined)
+      recordCommentPullRequestActivity(repository.owner, repository.name, context.loginAccount.get.userName, form.issueId.get, form.content)
+    else
+      recordCommentCommitActivity(repository.owner, repository.name, context.loginAccount.get.userName, id, form.content)
     redirect(s"/${repository.owner}/${repository.name}/commit/${id}")
   })
 
   ajaxGet("/:owner/:repository/commit/:id/comment/_form")(readableUsersOnly { repository =>
     val id            = params("id")
     val fileName      = params.get("fileName")
-    val oldLineNumber = params.get("oldLineNumber") flatMap {b => Some(b.toInt)}
-    val newLineNumber = params.get("newLineNumber") flatMap {b => Some(b.toInt)}
-    val pullRequest   = params.get("pullRequest")
+    val oldLineNumber = params.get("oldLineNumber") map (_.toInt)
+    val newLineNumber = params.get("newLineNumber") map (_.toInt)
+    val issueId   = params.get("issueId") map (_.toInt)
     repo.html.commentform(
       commitId = id,
-      fileName, oldLineNumber, newLineNumber, pullRequest.map(_.toBoolean).getOrElse(false),
+      fileName, oldLineNumber, newLineNumber, issueId,
       hasWritePermission = hasWritePermission(repository.owner, repository.name, context.loginAccount),
       repository = repository
     )
@@ -269,8 +272,11 @@
   ajaxPost("/:owner/:repository/commit/:id/comment/_data/new", commentForm)(readableUsersOnly { (form, repository) =>
     val id = params("id")
     val commentId = createCommitComment(repository.owner, repository.name, id, context.loginAccount.get.userName,
-      form.content, form.fileName, form.oldLineNumber, form.newLineNumber, form.pullRequest)
-    recordCommentCommitActivity(repository.owner, repository.name, context.loginAccount.get.userName, id, form.content)
+      form.content, form.fileName, form.oldLineNumber, form.newLineNumber, form.issueId.isDefined)
+    if (form.issueId.isDefined)
+      recordCommentPullRequestActivity(repository.owner, repository.name, context.loginAccount.get.userName, form.issueId.get, form.content)
+    else
+      recordCommentCommitActivity(repository.owner, repository.name, context.loginAccount.get.userName, id, form.content)
     helper.html.commitcomment(getCommitComment(repository.owner, repository.name, commentId.toString).get,
       hasWritePermission(repository.owner, repository.name, context.loginAccount), repository)
   })
diff --git a/src/main/twirl/helper/diff.scala.html b/src/main/twirl/helper/diff.scala.html
index 1fb4e9a..db06b04 100644
--- a/src/main/twirl/helper/diff.scala.html
+++ b/src/main/twirl/helper/diff.scala.html
@@ -3,7 +3,7 @@
   newCommitId: Option[String],
   oldCommitId: Option[String],
   showIndex: Boolean,
-  pullRequest: Boolean,
+  issueId: Option[Int],
   hasWritePermission: Boolean,
   showLineNotes: Boolean)(implicit context: app.Context)
 @import context._
@@ -157,7 +157,7 @@
           fileName = $(this).closest('.table-bordered').attr('fileName'),
           oldLineNumber = $(this).closest('.newline').prev('.oldline').text(),
           newLineNumber = $(this).closest('.newline').clone().children().remove().end().text(),
-          url = '@url(repository)/commit/' + commitId + '/comment/_form?fileName=' + fileName + '&pullRequest=@pullRequest';
+          url = '@url(repository)/commit/' + commitId + '/comment/_form?fileName=' + fileName @if(issueId.isDefined){+ '&issueId=@issueId.get'}
           if (!isNaN(oldLineNumber) && oldLineNumber != null && oldLineNumber !== '') {
             url += ('&oldLineNumber=' + oldLineNumber)
           }
diff --git a/src/main/twirl/pulls/compare.scala.html b/src/main/twirl/pulls/compare.scala.html
index b3ec768..b3f2483 100644
--- a/src/main/twirl/pulls/compare.scala.html
+++ b/src/main/twirl/pulls/compare.scala.html
@@ -83,7 +83,7 @@
       </table>
     } else {
       @pulls.html.commits(commits, Some(comments), repository)
-      @helper.html.diff(diffs, repository, Some(commitId), Some(sourceId), true, false, hasWritePermission, false)
+      @helper.html.diff(diffs, repository, Some(commitId), Some(sourceId), true, None, hasWritePermission, false)
       <p>Showing you all comments on commits in this comparison.</p>
       @issues.html.commentlist(None, comments, hasWritePermission, repository, None)
     }
diff --git a/src/main/twirl/pulls/pullreq.scala.html b/src/main/twirl/pulls/pullreq.scala.html
index 3d66d8c..f6c3abf 100644
--- a/src/main/twirl/pulls/pullreq.scala.html
+++ b/src/main/twirl/pulls/pullreq.scala.html
@@ -77,7 +77,7 @@
           @pulls.html.commits(dayByDayCommits, Some(comments), repository)
         </div>
         <div class="tab-pane" id="files">
-          @helper.html.diff(diffs, repository, Some(commits.head.id), Some(commits.last.id), true, true, hasWritePermission, true)
+          @helper.html.diff(diffs, repository, Some(commits.head.id), Some(commits.last.id), true, Some(pullreq.issueId), hasWritePermission, true)
         </div>
       </div>
     }
diff --git a/src/main/twirl/repo/commentform.scala.html b/src/main/twirl/repo/commentform.scala.html
index d9935bb..edca519 100644
--- a/src/main/twirl/repo/commentform.scala.html
+++ b/src/main/twirl/repo/commentform.scala.html
@@ -2,7 +2,7 @@
   fileName: Option[String] = None,
   oldLineNumber: Option[Int] = None,
   newLineNumber: Option[Int] = None,
-  pullRequest: Boolean,
+  issueId: Option[Int] = None,
   hasWritePermission: Boolean,
   repository: service.RepositoryService.RepositoryInfo)(implicit context: app.Context)
 @import context._
@@ -29,7 +29,7 @@
         <input type="submit" class="btn btn-success" formaction="@url(repository)/commit/@commitId/comment/new" value="Comment on this commit"/>
       </div>
     }
-    <input type="hidden" name="pullRequest" value="@pullRequest">
+    @if(issueId.isDefined){<input type="hidden" name="issueId" value="@issueId.get">}
     @if(fileName.isDefined){<input type="hidden" name="fileName" value="@fileName.get">}
     @if(oldLineNumber.isDefined){<input type="hidden" name="oldLineNumber" value="@oldLineNumber.get">}
     @if(newLineNumber.isDefined){<input type="hidden" name="newLineNumber" value="@newLineNumber.get">}
diff --git a/src/main/twirl/repo/commit.scala.html b/src/main/twirl/repo/commit.scala.html
index c0568e6..49338c1 100644
--- a/src/main/twirl/repo/commit.scala.html
+++ b/src/main/twirl/repo/commit.scala.html
@@ -83,14 +83,14 @@
         </td>
       </tr>
     </table>
-    @helper.html.diff(diffs, repository, Some(commit.id), oldCommitId, true, false, hasWritePermission, true)
+    @helper.html.diff(diffs, repository, Some(commit.id), oldCommitId, true, None, hasWritePermission, true)
     <label class="checkbox">
       <input type="checkbox" id="show-notes"> Show line notes below
     </label>
     <div id="comment-list">
       @issues.html.commentlist(None, comments, hasWritePermission, repository, None)
     </div>
-    @commentform(commitId = commitId, pullRequest = false, hasWritePermission = hasWritePermission, repository = repository)
+    @commentform(commitId = commitId, hasWritePermission = hasWritePermission, repository = repository)
   }
 }
 <script>
diff --git a/src/main/twirl/wiki/compare.scala.html b/src/main/twirl/wiki/compare.scala.html
index 1a9575a..b5495a2 100644
--- a/src/main/twirl/wiki/compare.scala.html
+++ b/src/main/twirl/wiki/compare.scala.html
@@ -26,7 +26,7 @@
         </div>
       </li>
     </ul>
-    @helper.html.diff(diffs, repository, None, None, false, false, false, false)
+    @helper.html.diff(diffs, repository, None, None, false, None, false, false)
     @if(hasWritePermission){
       <div>
         @if(pageName.isDefined){