diff --git a/routers/api/v1/repo/pull.go b/routers/api/v1/repo/pull.go
index 2ad321ea3..64c7e9447 100644
--- a/routers/api/v1/repo/pull.go
+++ b/routers/api/v1/repo/pull.go
@@ -668,8 +668,8 @@ func parseCompareInfo(ctx *context.APIContext, form api.CreatePullRequestOption)
 		ctx.ServerError("GetUserRepoPermission", err)
 		return nil, nil, nil, nil, "", ""
 	}
-	if !perm.CanWrite(models.UnitTypeCode) {
-		log.Trace("ParseCompareInfo[%d]: does not have write access or site admin", baseRepo.ID)
+	if !perm.CanReadIssuesOrPulls(true) {
+		log.Trace("ParseCompareInfo[%d]: cannot create/read pull requests", baseRepo.ID)
 		ctx.Status(404)
 		return nil, nil, nil, nil, "", ""
 	}
diff --git a/routers/repo/pull.go b/routers/repo/pull.go
index f408948a1..c4313bca0 100644
--- a/routers/repo/pull.go
+++ b/routers/repo/pull.go
@@ -684,8 +684,8 @@ func ParseCompareInfo(ctx *context.Context) (*models.User, *models.Repository, *
 		ctx.ServerError("GetUserRepoPermission", err)
 		return nil, nil, nil, nil, "", ""
 	}
-	if !perm.CanWrite(models.UnitTypeCode) {
-		log.Trace("ParseCompareInfo[%d]: does not have write access or site admin", baseRepo.ID)
+	if !perm.CanReadIssuesOrPulls(true) {
+		log.Trace("ParseCompareInfo[%d]: cannot create/read pull requests", baseRepo.ID)
 		ctx.NotFound("ParseCompareInfo", nil)
 		return nil, nil, nil, nil, "", ""
 	}
diff --git a/templates/repo/home.tmpl b/templates/repo/home.tmpl
index 15676e991..769569ff2 100644
--- a/templates/repo/home.tmpl
+++ b/templates/repo/home.tmpl
@@ -54,7 +54,7 @@
 		<div class="ui stackable secondary menu mobile--margin-between-items mobile--no-negative-margins">
 			{{if and .PullRequestCtx.Allowed .IsViewBranch}}
 				<div class="fitted item">
-					<a href="{{.BaseRepo.Link}}/compare/{{.BaseRepo.DefaultBranch | EscapePound}}...{{ if .Repository.IsFork }}{{.Repository.Owner.Name}}{{ else }}{{ .SignedUserName }}{{ end }}:{{.BranchName | EscapePound}}">
+					<a href="{{.BaseRepo.Link}}/compare/{{.BaseRepo.DefaultBranch | EscapePound}}...{{if ne .Repository.Owner.Name .BaseRepo.Owner.Name}}{{.Repository.Owner.Name}}:{{end}}{{.BranchName | EscapePound}}">
 					<button class="ui green tiny compact button"><i class="octicon octicon-git-compare"></i></button>
 					</a>
 				</div>