diff --git a/templates/repo/issue/view_content/sidebar.tmpl b/templates/repo/issue/view_content/sidebar.tmpl
index 8a89f2b20c0..34b4a25f39f 100644
--- a/templates/repo/issue/view_content/sidebar.tmpl
+++ b/templates/repo/issue/view_content/sidebar.tmpl
@@ -193,7 +193,7 @@
 
 		{{if .IsProjectsEnabled}}
 		<div class="ui divider"></div>
-		
+
 		<div class="ui {{if or (not .HasIssuesOrPullsWritePermission) .Repository.IsArchived}}disabled{{end}} floating jump select-project dropdown">
 			<span class="text">
 				<strong>{{.i18n.Tr "repo.issues.new.projects"}}</strong>
@@ -518,18 +518,15 @@
 			{{ if and .IsRepoAdmin (not .Repository.IsArchived) }}
 			<div class="ui divider"></div>
 			<div class="ui watching">
-				<div>
-					<button class="fluid ui  show-modal button {{if .Issue.IsLocked }} negative {{ end }}" data-modal="#lock">
-							{{if .Issue.IsLocked}}
-								{{svg "octicon-key"}}
-								{{.i18n.Tr "repo.issues.unlock"}}
-							{{else}}
-								{{svg "octicon-lock"}}
-								{{.i18n.Tr "repo.issues.lock"}}
-							{{end}}
-						</button>
-					</form>
-				</div>
+				<button class="fluid ui show-modal button {{if .Issue.IsLocked }} negative {{ end }}" data-modal="#lock">
+					{{if .Issue.IsLocked}}
+						{{svg "octicon-key"}}
+						{{.i18n.Tr "repo.issues.unlock"}}
+					{{else}}
+						{{svg "octicon-lock"}}
+						{{.i18n.Tr "repo.issues.lock"}}
+					{{end}}
+				</button>
 			</div>