Prevent panic on empty authorlist

diff --git a/hugolib/page.go b/hugolib/page.go
index 7892f222d8f8f2375b3e4128042747fdb2e84fc6..bc54aac91c9ffc249d52482e4a6867a643787661 100644 (file)
--- a/hugolib/page.go
+++ b/hugolib/page.go
@@ -193,8 +193,11 @@ func (p *Page) Author() Author {
 
 func (p *Page) Authors() AuthorList {
        authorKeys, ok := p.Params["authors"]
+       if !ok {
+               return AuthorList{}
+       }
        authors := authorKeys.([]string)
-       if !ok || len(authors) < 1 || len(p.Site.Authors) < 1 {
+       if len(authors) < 1 || len(p.Site.Authors) < 1 {
                return AuthorList{}
        }