diff --git a/docs/topics/logging.rst b/docs/topics/logging.rst
index 3717df695..f0d6d3bc6 100644
--- a/docs/topics/logging.rst
+++ b/docs/topics/logging.rst
@@ -29,7 +29,7 @@ How to set the log level
 ========================
 
 You can set the log level using the `--loglevel/-L` command line option, or
-using the :setting:`LOGLEVEL` setting.
+using the :setting:`LOG_LEVEL` setting.
 
 How to log messages
 ===================
@@ -61,14 +61,14 @@ scrapy.log module
 
    A boolean which is ``True`` is logging has been started or ``False`` otherwise.
 
-.. function:: start(logfile=None, loglevel=None, log_stdout=None)
+.. function:: start(logfile=None, loglevel=None, logstdout=None)
 
     Start the logging facility. This must be called before actually logging any
     messages. Otherwise, messages logged before this call will get lost.
 
     ``logfile`` is a string with the file path to use for logging output. If
-    omitted, :setting:`LOGFILE` setting will be used. If both are ``None``, log
-    will be sent to standard output (if ``log_stdout`` or :setting:`LOG_STDOUT` is
+    omitted, :setting:`LOG_FILE` setting will be used. If both are ``None``, log
+    will be sent to standard output (if ``logstdout`` or :setting:`LOG_STDOUT` is
     ``True``) or standard error (if ``log_stderr`` or :setting:`LOG_STDOUT` is
     ``False``).
 
diff --git a/docs/topics/settings.rst b/docs/topics/settings.rst
index 21ce0ccc2..aaf34d942 100644
--- a/docs/topics/settings.rst
+++ b/docs/topics/settings.rst
@@ -526,6 +526,26 @@ Default: ``True``
 
 Enable logging.
 
+.. setting:: LOG_FILE
+
+LOG_FILE
+--------
+
+Default: ``None``
+
+File name to use for logging output. If None, standard input (or error) will be
+used depending on the value of the LOG_STDOUT setting.
+
+.. setting:: LOG_LEVEL
+
+LOG_LEVEL
+---------
+
+Default: ``'DEBUG'``
+
+Minimum level to log. Available levels are: CRITICAL, ERROR, WARNING,
+INFO, DEBUG. For more info see :ref:`topics-logging`.
+
 .. setting:: LOG_STDOUT
 
 LOG_STDOUT
@@ -536,26 +556,6 @@ Default: ``False``
 If enabled logging will be sent to standard output, otherwise standard error
 will be used.
 
-.. setting:: LOGFILE
-
-LOGFILE
--------
-
-Default: ``None``
-
-File name to use for logging output. If None, standard input (or error) will be
-used depending on the value of the LOG_STDOUT setting.
-
-.. setting:: LOGLEVEL
-
-LOGLEVEL
---------
-
-Default: ``'DEBUG'``
-
-Minimum level to log. Available levels are: CRITICAL, ERROR, WARNING,
-INFO, DEBUG. For more info see :ref:`topics-logging`.
-
 .. setting:: MAIL_FROM
 
 MAIL_FROM
diff --git a/scrapy/command/models.py b/scrapy/command/models.py
index a4ed4147c..d6da4bb62 100644
--- a/scrapy/command/models.py
+++ b/scrapy/command/models.py
@@ -69,11 +69,11 @@ class ScrapyCommand(object):
     def process_options(self, args, opts):
         if opts.logfile:
             settings.overrides['LOG_ENABLED'] = True
-            settings.overrides['LOGFILE'] = opts.logfile
+            settings.overrides['LOG_FILE'] = opts.logfile
 
         if opts.loglevel:
             settings.overrides['LOG_ENABLED'] = True
-            settings.overrides['LOGLEVEL'] = opts.loglevel
+            settings.overrides['LOG_LEVEL'] = opts.loglevel
 
         if opts.nolog:
             settings.overrides['LOG_ENABLED'] = False
diff --git a/scrapy/conf/commands/shell.py b/scrapy/conf/commands/shell.py
index dc93e9380..984173aae 100644
--- a/scrapy/conf/commands/shell.py
+++ b/scrapy/conf/commands/shell.py
@@ -1 +1 @@
-LOGLEVEL='WARNING'
+LOG_LEVEL='WARNING'
diff --git a/scrapy/conf/default_settings.py b/scrapy/conf/default_settings.py
index 637f09500..1bd591662 100644
--- a/scrapy/conf/default_settings.py
+++ b/scrapy/conf/default_settings.py
@@ -103,8 +103,8 @@ ITEM_PIPELINES = []
 
 LOG_ENABLED = True
 LOG_STDOUT = False
-LOGLEVEL = 'DEBUG'
-LOGFILE = None
+LOG_LEVEL = 'DEBUG'
+LOG_FILE = None
 
 MAIL_HOST = 'localhost'
 MAIL_FROM = 'scrapy@localhost'
diff --git a/scrapy/log.py b/scrapy/log.py
index b4f1cefa8..4d621cb6d 100644
--- a/scrapy/log.py
+++ b/scrapy/log.py
@@ -34,12 +34,12 @@ log_level = DEBUG
 
 started = False
 
-def start(logfile=None, loglevel=None, log_stdout=None):
+def start(logfile=None, loglevel=None, logstdout=None):
     """Initialize and start logging facility"""
     global log_level, started
 
     # set loglevel
-    loglevel = loglevel or settings['LOGLEVEL']
+    loglevel = loglevel or settings['LOG_LEVEL'] or settings['LOGLEVEL']
     log_level = globals()[loglevel] if loglevel else DEBUG
     if started or not settings.getbool('LOG_ENABLED'):
         return
@@ -47,11 +47,11 @@ def start(logfile=None, loglevel=None, log_stdout=None):
 
     # set log observer
     if log.defaultObserver: # check twisted log not already started
-        logfile = logfile or settings['LOGFILE']
-        log_stdout = log_stdout or settings.getbool('LOG_STDOUT')
+        logfile = logfile or settings['LOG_FILE'] or settings['LOGFILE']
+        logstdout = logstdout or settings.getbool('LOG_STDOUT')
 
         file = open(logfile, 'a') if logfile else sys.stderr
-        log.startLogging(file, setStdout=log_stdout)
+        log.startLogging(file, setStdout=logstdout)
 
 def msg(message, level=INFO, component=BOT_NAME, domain=None):
     """Log message according to the level"""
diff --git a/scrapy/stats/corestats.py b/scrapy/stats/corestats.py
index f70a4aa8e..08819abbb 100644
--- a/scrapy/stats/corestats.py
+++ b/scrapy/stats/corestats.py
@@ -19,7 +19,7 @@ class CoreStats(object):
     def __init__(self):
         stats.set_value('envinfo/user', getpass.getuser())
         stats.set_value('envinfo/host', socket.gethostname())
-        stats.set_value('envinfo/logfile', settings['LOGFILE'])
+        stats.set_value('envinfo/logfile', settings['LOG_FILE'])
         stats.set_value('envinfo/pid', os.getpid())
 
         dispatcher.connect(self.stats_domain_opened, signal=stats_domain_opened)