diff --git a/templates/base/head.tmpl b/templates/base/head.tmpl
index d702b9fcef68..690cade8d7a0 100644
--- a/templates/base/head.tmpl
+++ b/templates/base/head.tmpl
@@ -20,7 +20,6 @@
 {{end}}
 	<link rel="icon" href="{{AssetUrlPrefix}}/img/favicon.svg" type="image/svg+xml">
 	<link rel="alternate icon" href="{{AssetUrlPrefix}}/img/favicon.png" type="image/png">
-	<link rel="stylesheet" href="{{AssetUrlPrefix}}/css/index.css?v={{AssetVersion}}">
 	{{template "base/head_script" .}}
 	<noscript>
 		<style>
@@ -63,15 +62,9 @@
 	<meta property="og:url" content="{{AppUrl}}">
 	<meta property="og:description" content="{{MetaDescription}}">
 {{end}}
-<meta property="og:site_name" content="{{AppName}}">
-{{if .IsSigned}}
-	{{if ne .SignedUser.Theme "gitea"}}
-		<link rel="stylesheet" href="{{AssetUrlPrefix}}/css/theme-{{.SignedUser.Theme | PathEscape}}.css?v={{AssetVersion}}">
-	{{end}}
-{{else if ne DefaultTheme "gitea"}}
-	<link rel="stylesheet" href="{{AssetUrlPrefix}}/css/theme-{{DefaultTheme | PathEscape}}.css?v={{AssetVersion}}">
-{{end}}
-{{template "custom/header" .}}
+	<meta property="og:site_name" content="{{AppName}}">
+	{{template "base/stylesheets" .}}
+	{{template "custom/header" .}}
 </head>
 <body>
 	{{template "custom/body_outer_pre" .}}
diff --git a/templates/base/stylesheets.tmpl b/templates/base/stylesheets.tmpl
new file mode 100644
index 000000000000..7e8cba2aedde
--- /dev/null
+++ b/templates/base/stylesheets.tmpl
@@ -0,0 +1,8 @@
+<link rel="stylesheet" href="{{AssetUrlPrefix}}/css/index.css?v={{AssetVersion}}">
+{{if .IsSigned}}
+	{{if ne .SignedUser.Theme "gitea"}}
+		<link rel="stylesheet" href="{{AssetUrlPrefix}}/css/theme-{{.SignedUser.Theme | PathEscape}}.css?v={{AssetVersion}}">
+	{{end}}
+{{else if ne DefaultTheme "gitea"}}
+	<link rel="stylesheet" href="{{AssetUrlPrefix}}/css/theme-{{DefaultTheme | PathEscape}}.css?v={{AssetVersion}}">
+{{end}}
diff --git a/templates/status/500.tmpl b/templates/status/500.tmpl
index 94a73e73b4eb..c7b2472859ea 100644
--- a/templates/status/500.tmpl
+++ b/templates/status/500.tmpl
@@ -11,7 +11,7 @@
 	<title>Internal Server Error - {{AppName}}</title>
 	<link rel="icon" href="{{AssetUrlPrefix}}/img/favicon.svg" type="image/svg+xml">
 	<link rel="alternate icon" href="{{AssetUrlPrefix}}/img/favicon.png" type="image/png">
-	<link rel="stylesheet" href="{{AssetUrlPrefix}}/css/index.css?v={{AssetVersion}}">
+	{{template "base/stylesheets" .}}
 </head>
 <body>
 	<div class="full height">
