diff --git a/atlas/models.py b/atlas/models.py
index ea7ae9f1..bf9af364 100644
--- a/atlas/models.py
+++ b/atlas/models.py
@@ -92,7 +92,7 @@ class SynMixin(object):
         if self.primary:
             return "[Primary]"
         else:
-            s = self.synonym.filter(primary=True)
+            s = self.synonym.filter(primary=True).value_list("name", flat=True)
             return ", ".join(s)