diff --git a/templates/repo/header.tmpl b/templates/repo/header.tmpl
index 895d18d6fd..f306435409 100644
--- a/templates/repo/header.tmpl
+++ b/templates/repo/header.tmpl
@@ -142,7 +142,7 @@
 		{{if not (or .Repository.IsBeingCreated .Repository.IsBroken)}}
 			<div class="ui tabular menu navbar gt-overflow-x-auto gt-overflow-y-hidden">
 				{{if .Permission.CanRead $.UnitTypeCode}}
-				<a class="{{if .PageIsViewCode}}active {{end}}item" href="{{.RepoLink}}{{if (ne .BranchName .Repository.DefaultBranch)}}/src/{{.BranchNameSubURL}}{{end}}">
+				<a class="{{if .PageIsViewCode}}active {{end}}item" href="{{.RepoLink}}{{if and (ne .BranchName .Repository.DefaultBranch) (not $.PageIsWiki)}}/src/{{.BranchNameSubURL}}{{end}}">
 					{{svg "octicon-code"}} {{ctx.Locale.Tr "repo.code"}}
 				</a>
 				{{end}}