diff --git a/internal/db/backup.go b/internal/db/backup.go
index 2f76bb04f..f4dec721c 100644
--- a/internal/db/backup.go
+++ b/internal/db/backup.go
@@ -89,7 +89,7 @@ func dumpTable(db *gorm.DB, table interface{}, w io.Writer) error {
 			return errors.Wrap(err, "encode JSON")
 		}
 	}
-	return nil
+	return rows.Err()
 }
 
 func dumpLegacyTables(dirPath string, verbose bool) error {
diff --git a/internal/route/api/v1/api.go b/internal/route/api/v1/api.go
index 542c386e5..a662f55fc 100644
--- a/internal/route/api/v1/api.go
+++ b/internal/route/api/v1/api.go
@@ -355,6 +355,7 @@ func RegisterRoutes(m *macaron.Macaron) {
 				}, reqRepoWriter())
 
 				m.Patch("/issue-tracker", reqRepoWriter(), bind(api.EditIssueTrackerOption{}), repo.IssueTracker)
+				m.Patch("/wiki", reqRepoWriter(), bind(api.EditWikiOption{}), repo.Wiki)
 				m.Post("/mirror-sync", reqRepoWriter(), repo.MirrorSync)
 				m.Get("/editorconfig/:filename", context.RepoRef(), repo.GetEditorconfig)
 			}, repoAssignment())
diff --git a/internal/route/api/v1/repo/repo.go b/internal/route/api/v1/repo/repo.go
index 138f39e83..11548ec4c 100644
--- a/internal/route/api/v1/repo/repo.go
+++ b/internal/route/api/v1/repo/repo.go
@@ -390,6 +390,32 @@ func IssueTracker(c *context.APIContext, form api.EditIssueTrackerOption) {
 	c.NoContent()
 }
 
+func Wiki(c *context.APIContext, form api.EditWikiOption) {
+	_, repo := parseOwnerAndRepo(c)
+	if c.Written() {
+		return
+	}
+
+	if form.AllowPublicWiki != nil {
+		repo.AllowPublicWiki = *form.AllowPublicWiki
+	}
+	if form.EnableExternalWiki != nil {
+		repo.EnableExternalWiki = *form.EnableExternalWiki
+	}
+	if form.EnableWiki != nil {
+		repo.EnableWiki = *form.EnableWiki
+	}
+	if form.ExternalWikiURL != nil {
+		repo.ExternalWikiURL = *form.ExternalWikiURL
+	}
+	if err := db.UpdateRepository(repo, false); err != nil {
+		c.Error(err, "update repository")
+		return
+	}
+
+	c.NoContent()
+}
+
 func MirrorSync(c *context.APIContext) {
 	_, repo := parseOwnerAndRepo(c)
 	if c.Written() {