diff --git a/scrapy/utils/log.py b/scrapy/utils/log.py
index 51f303216..2497da6a5 100644
--- a/scrapy/utils/log.py
+++ b/scrapy/utils/log.py
@@ -87,7 +87,8 @@ def configure_logging(settings=None, install_root_handler=True):
     observer = twisted_log.PythonLoggingObserver('twisted')
     observer.start()
 
-    dictConfig(DEFAULT_LOGGING)
+    dictConfig(settings.get('LOG_DICT_CONFIG', DEFAULT_LOGGING))
+
 
     if isinstance(settings, dict) or settings is None:
         settings = Settings(settings)