diff --git a/conf/locale/locale_en-US.ini b/conf/locale/locale_en-US.ini
index c17e2cacb..c30d44545 100644
--- a/conf/locale/locale_en-US.ini
+++ b/conf/locale/locale_en-US.ini
@@ -640,6 +640,7 @@ pulls.cannot_auto_merge_desc = This pull request can't be merged automatically b
 pulls.cannot_auto_merge_helper = Please merge manually in order to resolve the conflicts.
 pulls.create_merge_commit = Create a merge commit
 pulls.rebase_before_merging = Rebase before merging
+pulls.commit_description = Commit Description
 pulls.merge_pull_request = Merge Pull Request
 pulls.open_unmerged_pull_exists = `You can't perform reopen operation because there is already an open pull request (#%d) from same repository with same merge information and is waiting for merging.`
 pulls.delete_branch = Delete Branch
diff --git a/models/pull.go b/models/pull.go
index 43211ed72..1d54d082e 100644
--- a/models/pull.go
+++ b/models/pull.go
@@ -193,7 +193,7 @@ const (
 
 // Merge merges pull request to base repository.
 // FIXME: add repoWorkingPull make sure two merges does not happen at same time.
-func (pr *PullRequest) Merge(doer *User, baseGitRepo *git.Repository, mergeStyle MergeStyle) (err error) {
+func (pr *PullRequest) Merge(doer *User, baseGitRepo *git.Repository, mergeStyle MergeStyle, CommitDescription string) (err error) {
 	defer func() {
 		go HookQueue.Add(pr.BaseRepo.ID)
 		go AddTestPullRequestTask(doer, pr.BaseRepo.ID, pr.BaseBranch, false)
@@ -266,7 +266,8 @@ func (pr *PullRequest) Merge(doer *User, baseGitRepo *git.Repository, mergeStyle
 		if _, stderr, err = process.ExecDir(-1, tmpBasePath,
 			fmt.Sprintf("PullRequest.Merge (git merge): %s", tmpBasePath),
 			"git", "commit", fmt.Sprintf("--author='%s <%s>'", sig.Name, sig.Email),
-			"-m", fmt.Sprintf("Merge branch '%s' of %s/%s into %s", pr.HeadBranch, pr.HeadUserName, pr.HeadRepo.Name, pr.BaseBranch)); err != nil {
+			"-m", fmt.Sprintf("Merge branch '%s' of %s/%s into %s", pr.HeadBranch, pr.HeadUserName, pr.HeadRepo.Name, pr.BaseBranch),
+			"-m", CommitDescription); err != nil {
 			return fmt.Errorf("git commit [%s]: %v - %s", tmpBasePath, err, stderr)
 		}
 
diff --git a/routes/repo/pull.go b/routes/repo/pull.go
index 049cf3686..58f0a49ac 100644
--- a/routes/repo/pull.go
+++ b/routes/repo/pull.go
@@ -406,7 +406,7 @@ func MergePullRequest(c *context.Context) {
 
 	pr.Issue = issue
 	pr.Issue.Repo = c.Repo.Repository
-	if err = pr.Merge(c.User, c.Repo.GitRepo, models.MergeStyle(c.Query("merge_style"))); err != nil {
+	if err = pr.Merge(c.User, c.Repo.GitRepo, models.MergeStyle(c.Query("merge_style")), c.Query("commit_description")); err != nil {
 		c.ServerError("Merge", err)
 		return
 	}
diff --git a/templates/repo/issue/view_content.tmpl b/templates/repo/issue/view_content.tmpl
index c03b6973b..1d4999857 100644
--- a/templates/repo/issue/view_content.tmpl
+++ b/templates/repo/issue/view_content.tmpl
@@ -195,6 +195,12 @@
 									<div class="ui divider"></div>
 									<form class="ui form" action="{{.Link}}/merge" method="post">
 										{{.CSRFTokenHTML}}
+										<div class="field">
+											<div class="ui top">
+												<label>{{$.i18n.Tr "repo.pulls.commit_description"}}:</label>
+												<textarea id="commit_description" class="edit_area" name="commit_description" tabindex="4"></textarea>
+											</div>
+										</div>
 										<div class="field">
 											<div class="ui radio checkbox">
 											  <input type="radio" name="merge_style" value="create_merge_commit" checked="checked">