diff --git a/templates/repo/header.tmpl b/templates/repo/header.tmpl
index beea89399e99..4e92532bde45 100644
--- a/templates/repo/header.tmpl
+++ b/templates/repo/header.tmpl
@@ -39,7 +39,7 @@
 						{{end}}
 					</div>
 				</div>
-				{{if $.IsPullMirror}}
+				{{if and $.IsPullMirror $.Mirror}}
 					{{$address := MirrorRemoteAddress $.Context . $.Mirror.GetRemoteName false}}
 					<div class="fork-flag">{{$.locale.Tr "repo.mirror_from"}} <a target="_blank" rel="noopener noreferrer" href="{{$address.Address}}">{{$address.Address}}</a></div>
 				{{end}}
diff --git a/templates/repo/settings/options.tmpl b/templates/repo/settings/options.tmpl
index 0a64492d364b..e205b9330d2c 100644
--- a/templates/repo/settings/options.tmpl
+++ b/templates/repo/settings/options.tmpl
@@ -88,7 +88,7 @@
 						</tr>
 					</thead>
 					{{end}}
-					{{if .Repository.IsMirror}}
+					{{if and .Repository.IsMirror .Mirror}}
 					<tbody>
 						<tr>
 							<td>{{(MirrorRemoteAddress $.Context .Repository .Mirror.GetRemoteName false).Address}}</td>