diff --git a/models/issue.go b/models/issue.go
index b4bd190aa4cf4..17205cc2fa679 100644
--- a/models/issue.go
+++ b/models/issue.go
@@ -750,7 +750,6 @@ func (issue *Issue) UpdateAttachments(uuids []string) (err error) {
 
 // ChangeContent changes issue content, as the given user.
 func (issue *Issue) ChangeContent(doer *User, content string) (err error) {
-	oldContent := issue.Content
 	issue.Content = content
 
 	sess := x.NewSession()
@@ -769,47 +768,7 @@ func (issue *Issue) ChangeContent(doer *User, content string) (err error) {
 		return err
 	}
 
-	if err = sess.Commit(); err != nil {
-		return err
-	}
-	sess.Close()
-
-	mode, _ := AccessLevel(issue.Poster, issue.Repo)
-	if issue.IsPull {
-		issue.PullRequest.Issue = issue
-		err = PrepareWebhooks(issue.Repo, HookEventPullRequest, &api.PullRequestPayload{
-			Action: api.HookIssueEdited,
-			Index:  issue.Index,
-			Changes: &api.ChangesPayload{
-				Body: &api.ChangesFromPayload{
-					From: oldContent,
-				},
-			},
-			PullRequest: issue.PullRequest.APIFormat(),
-			Repository:  issue.Repo.APIFormat(mode),
-			Sender:      doer.APIFormat(),
-		})
-	} else {
-		err = PrepareWebhooks(issue.Repo, HookEventIssues, &api.IssuePayload{
-			Action: api.HookIssueEdited,
-			Index:  issue.Index,
-			Changes: &api.ChangesPayload{
-				Body: &api.ChangesFromPayload{
-					From: oldContent,
-				},
-			},
-			Issue:      issue.APIFormat(),
-			Repository: issue.Repo.APIFormat(mode),
-			Sender:     doer.APIFormat(),
-		})
-	}
-	if err != nil {
-		log.Error("PrepareWebhooks [is_pull: %v]: %v", issue.IsPull, err)
-	} else {
-		go HookQueue.Add(issue.RepoID)
-	}
-
-	return nil
+	return sess.Commit()
 }
 
 // GetTasks returns the amount of tasks in the issues content
diff --git a/modules/notification/webhook/webhook.go b/modules/notification/webhook/webhook.go
index bd7c8b29d3eb3..a2af152edda42 100644
--- a/modules/notification/webhook/webhook.go
+++ b/modules/notification/webhook/webhook.go
@@ -277,3 +277,41 @@ func (m *webhookNotifier) NotifyNewIssue(issue *models.Issue) {
 		go models.HookQueue.Add(issue.RepoID)
 	}
 }
+
+func (m *webhookNotifier) NotifyIssueChangeContent(doer *models.User, issue *models.Issue, oldContent string) {
+	mode, _ := models.AccessLevel(issue.Poster, issue.Repo)
+	var err error
+	if issue.IsPull {
+		issue.PullRequest.Issue = issue
+		err = models.PrepareWebhooks(issue.Repo, models.HookEventPullRequest, &api.PullRequestPayload{
+			Action: api.HookIssueEdited,
+			Index:  issue.Index,
+			Changes: &api.ChangesPayload{
+				Body: &api.ChangesFromPayload{
+					From: oldContent,
+				},
+			},
+			PullRequest: issue.PullRequest.APIFormat(),
+			Repository:  issue.Repo.APIFormat(mode),
+			Sender:      doer.APIFormat(),
+		})
+	} else {
+		err = models.PrepareWebhooks(issue.Repo, models.HookEventIssues, &api.IssuePayload{
+			Action: api.HookIssueEdited,
+			Index:  issue.Index,
+			Changes: &api.ChangesPayload{
+				Body: &api.ChangesFromPayload{
+					From: oldContent,
+				},
+			},
+			Issue:      issue.APIFormat(),
+			Repository: issue.Repo.APIFormat(mode),
+			Sender:     doer.APIFormat(),
+		})
+	}
+	if err != nil {
+		log.Error("PrepareWebhooks [is_pull: %v]: %v", issue.IsPull, err)
+	} else {
+		go models.HookQueue.Add(issue.RepoID)
+	}
+}
diff --git a/routers/repo/issue.go b/routers/repo/issue.go
index 12ff0a054c13d..ac405a1c29e2c 100644
--- a/routers/repo/issue.go
+++ b/routers/repo/issue.go
@@ -1066,7 +1066,7 @@ func UpdateIssueContent(ctx *context.Context) {
 	}
 
 	content := ctx.Query("content")
-	if err := issue.ChangeContent(ctx.User, content); err != nil {
+	if err := issue_service.ChangeContent(issue, ctx.User, content); err != nil {
 		ctx.ServerError("ChangeContent", err)
 		return
 	}
diff --git a/services/issue/content.go b/services/issue/content.go
new file mode 100644
index 0000000000000..1081e30b5d828
--- /dev/null
+++ b/services/issue/content.go
@@ -0,0 +1,23 @@
+// Copyright 2019 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package issue
+
+import (
+	"code.gitea.io/gitea/models"
+	"code.gitea.io/gitea/modules/notification"
+)
+
+// ChangeContent changes issue content, as the given user.
+func ChangeContent(issue *models.Issue, doer *models.User, content string) (err error) {
+	oldContent := issue.Content
+
+	if err := issue.ChangeContent(doer, content); err != nil {
+		return err
+	}
+
+	notification.NotifyIssueChangeContent(doer, issue, oldContent)
+
+	return nil
+}