diff --git a/whisper_online.py b/whisper_online.py
index d0bd380..cf94fed 100644
--- a/whisper_online.py
+++ b/whisper_online.py
@@ -679,7 +679,7 @@ if __name__ == "__main__":
         try:
             o = online.process_iter()
         except AssertionError as e:
-            log.error(f"assertion error: {repr(e)}")
+            logger.error(f"assertion error: {repr(e)}")
         else:
             output_transcript(o)
         now = None