diff --git a/templates/repo/home.tmpl b/templates/repo/home.tmpl
index a87e6b75882..664326c5620 100644
--- a/templates/repo/home.tmpl
+++ b/templates/repo/home.tmpl
@@ -10,7 +10,7 @@
 		<div class="ui secondary menu">
 			{{if .PullRequestCtx.Allowed}}
 				<div class="fitted item">
-					<a href="{{.BaseRepo.Link}}/compare/{{.BaseRepo.DefaultBranch}}...{{.SignedUser.Name}}:{{.BranchName}}">
+					<a href="{{.BaseRepo.Link}}/compare/{{.BaseRepo.DefaultBranch}}...{{if .SignedUser.HasForkedRepo .BaseRepo.ID }}{{.SignedUser.Name}}:{{end}}{{.BranchName}}">
 						<button class="ui green small button"><i class="octicon octicon-git-compare"></i></button>
 					</a>
 				</div>