diff --git a/karton/config_extractor/config_extractor.py b/karton/config_extractor/config_extractor.py
index fd4a1d0..b5e97d1 100644
--- a/karton/config_extractor/config_extractor.py
+++ b/karton/config_extractor/config_extractor.py
@@ -215,7 +215,7 @@ def analyze_sample(self, task: Task, sample: ResourceBase) -> None:
         for config in extractor.config:
             legacy_config, karton_tasks = self.preprocess_config(config)
 
-            if len(legacy_config.items()) > 1:
+            if len(legacy_config) > 1:
                 self.log.info("Got config: {}".format(json.dumps(legacy_config)))
                 self.report_config(task, legacy_config, sample)