diff --git a/app/helpers/custom_field_properties_helper.rb b/app/helpers/custom_field_properties_helper.rb
index 0cedb37a55..803f5a83bc 100644
--- a/app/helpers/custom_field_properties_helper.rb
+++ b/app/helpers/custom_field_properties_helper.rb
@@ -58,6 +58,8 @@ def remove_field_prop_unicode(field_props)
   end
 
   def remove_local_field_prop_unicode(field_props)
+    return field_props if field_props["local_label"].nil?
+
     field = field_props["local_label"].gsub(/\&gt\;|\&lt\;|\&amp\;|\"/, '&lt;' => '<', '&gt;' => '>', '&amp;' => '&', '"' => '%22')
   end