diff --git a/longs/models.py b/longs/models.py
index d1bdaf02..8532d52b 100644
--- a/longs/models.py
+++ b/longs/models.py
@@ -207,7 +207,7 @@ class LongSeries(models.Model):
         return authors
 
     def get_author_display(self):
-        return ", ".join(self.get_author_objects())
+        return ", ".join([self.get_author_objects()])
 
     def get_examination(self):
         """Returns a comma seperated text list of regions"""