diff --git a/mopidy/scanner.py b/mopidy/scanner.py
index d280785c..53ded736 100644
--- a/mopidy/scanner.py
+++ b/mopidy/scanner.py
@@ -54,6 +54,10 @@ def main():
         logging.warning('Config value local/media_dir is not set.')
         return
 
+    if not config['local']['scan_timeout']:
+        logging.warning('Config value local/scan_timeout is not set.')
+        return
+
     # TODO: missing config error checking and other default setup code.
 
     audio = dummy_audio.DummyAudio()
@@ -97,9 +101,6 @@ def main():
         logging.warning('Failed %s: %s', uri, error)
         logging.debug('Debug info for %s: %s', uri, debug)
 
-    if not config['local']['scan_timeout']:
-        self.error_callback(uri, 'Config value local/scan_timeout is not set.', 'debug')
-
     scan_timeout = config['local']['scan_timeout']
 
     logging.info('Scanning new and modified tracks.')