diff --git a/ckanext/xloader/plugin.py b/ckanext/xloader/plugin.py
index dbde8ed5..8eca325d 100644
--- a/ckanext/xloader/plugin.py
+++ b/ckanext/xloader/plugin.py
@@ -155,11 +155,12 @@ 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)
+                "Skipping xloading resource {} because "
+                'format "{}" is not configured to be '
+                "xloadered".format(resource_dict["id"], resource_format)
             )
             return
         if resource_dict["url_type"] in ("datapusher", "xloader"):