diff --git a/skycatalogs/objects/base_config_fragment.py b/skycatalogs/objects/base_config_fragment.py
index b517fdcc..4ac35fc4 100644
--- a/skycatalogs/objects/base_config_fragment.py
+++ b/skycatalogs/objects/base_config_fragment.py
@@ -60,8 +60,7 @@ def generic_create(self):
         for key in opt:
             if opt[key] is not None:
                 other[key] = opt[key]
-        if len(other.keys()) > 0:
-            data.update(other)
+        data.update(other)
 
         data['provenance'] = self._prov
         return data