diff --git a/app/models/metadata_array.rb b/app/models/metadata_array.rb
index 96d3be3..0527ccb 100644
--- a/app/models/metadata_array.rb
+++ b/app/models/metadata_array.rb
@@ -31,7 +31,7 @@ class MetadataArray < MetadataTemplate
     [super].flatten(1)
   end
 
-  alias indexable_values values
+  alias indexable_values value
 
   private