diff --git a/apps/dashboard/app/lib/smart_attributes/attribute.rb b/apps/dashboard/app/lib/smart_attributes/attribute.rb
index 90a9254ff..39b8260e0 100644
--- a/apps/dashboard/app/lib/smart_attributes/attribute.rb
+++ b/apps/dashboard/app/lib/smart_attributes/attribute.rb
@@ -179,8 +179,8 @@ def select_choices(hide_excludable: true)
         # and let nils fall through and get caught in validate!
         if entry.is_a?(Array)
           entry
-        elsif entry.is_a?(String)
-          [entry, entry]
+        elsif entry.is_a?(String) || entry.is_a?(Symbol)
+          [entry.to_s, entry.to_s]
         end
       end
     end