diff --git a/ckanext/xloader/plugin.py b/ckanext/xloader/plugin.py
index e0ce027e..05d629c8 100644
--- a/ckanext/xloader/plugin.py
+++ b/ckanext/xloader/plugin.py
@@ -148,11 +148,12 @@ def after_update(self, context, resource_dict):
 
     def _submit_to_xloader(self, resource_dict):
         context = {"ignore_auth": True, "defer_commit": True}
-        if not XLoaderFormats.is_it_an_xloader_format(resource_dict["format"]):
+        resource_format = resource_dict.get("format")
+        if not XLoaderFormats.is_it_an_xloader_format(resource_format):
             log.debug(
-                "Skipping xloading resource {id} because "
-                'format "{format}" is not configured to be '
-                "xloadered".format(**resource_dict)
+                f"Skipping xloading resource {resource_dict['id']} because "
+                f'format "{resource_format}" is not configured to be '
+                "xloadered"
             )
             return
         if resource_dict["url_type"] in ("datapusher", "xloader"):