diff --git a/README.rst b/README.rst
index f8957b7..bfbf2ba 100644
--- a/README.rst
+++ b/README.rst
@@ -249,7 +249,7 @@ Running ``pypi-server -h`` will print a detailed usage message::
       uses the ASCII contents of HTML_FILE as welcome message response.
 
     -v
-      enable INFO logging;  repeate for more verbosity.
+      enable INFO logging;  repeat for more verbosity.
 
     --log-conf <FILE>
       read logging configuration from FILE.
diff --git a/pypiserver/__init__.py b/pypiserver/__init__.py
index f9a154d..413c68f 100644
--- a/pypiserver/__init__.py
+++ b/pypiserver/__init__.py
@@ -7,14 +7,15 @@ def app(root=None,
         fallback_url=None,
         authenticated=None,
         password_file=None,
-        overwrite=False,
-        log_req_frmt="%(bottle.request)s", 
-        log_res_frmt="%(status)s", 
-        log_err_frmt="%(body)s: %(exception)s \n%(traceback)s",
+        overwrite=None,
+        log_req_frmt=None,
+        log_res_frmt=None,
+        log_err_frmt=None,
         welcome_file=None,
         cache_control=None,
-       ):
-    import sys, os
+        ):
+    import sys
+    import os
     from pypiserver import core
     sys.modules.pop("pypiserver._app", None)
     __import__("pypiserver._app")
@@ -29,11 +30,11 @@ def app(root=None,
         fallback_url = "http://pypi.python.org/simple"
 
     _app.configure(root=root, redirect_to_fallback=redirect_to_fallback, fallback_url=fallback_url,
-                   authenticated=authenticated or [], password_file=password_file, overwrite=overwrite, 
+                   authenticated=authenticated or [], password_file=password_file, overwrite=overwrite,
                    log_req_frmt=log_req_frmt, log_res_frmt=log_res_frmt, log_err_frmt=log_err_frmt,
                    welcome_file=welcome_file,
                    cache_control=cache_control,
-                  )
+                   )
     _app.app.module = _app
 
     bottle.debug(True)
@@ -55,7 +56,8 @@ def paste_app_factory(global_config, **local_conf):
     else:
         roots = None
 
-    redirect_to_fallback = local_conf.get("redirect_to_fallback", "").lower() in ("yes", "on", "1")
+    redirect_to_fallback = local_conf.get(
+        "redirect_to_fallback", "").lower() in ("yes", "on", "1")
     fallback_url = local_conf.get("fallback_url")
     password_file = local_conf.get("password_file")
     return app(root=roots, redirect_to_fallback=redirect_to_fallback, fallback_url=fallback_url, password_file=password_file)
diff --git a/pypiserver/core.py b/pypiserver/core.py
index 8242adc..fc12c8c 100644
--- a/pypiserver/core.py
+++ b/pypiserver/core.py
@@ -242,7 +242,7 @@ pypi-server understands the following options:
     uses the ASCII contents of HTML_FILE as welcome message response.
 
   -v
-    enable verbose logging;  repeate for more verbosity.
+    enable verbose logging;  repeat for more verbosity.
 
   --log-file <FILE>
     write logging info into this FILE.
@@ -314,10 +314,10 @@ def main(argv=None):
     overwrite = False
     verbosity = 1
     log_file = None
-    log_frmt = None
-    log_req_frmt = None
-    log_res_frmt = None
-    log_err_frmt = None
+    log_frmt = "g%(asctime)s|%(levelname)s|%(thread)d|%(message)s"
+    log_req_frmt = "%(bottle.request)s"
+    log_res_frmt = "%(status)s"
+    log_err_frmt = "%(body)s: %(exception)s \n%(traceback)s"
     welcome_file = None
     cache_control = None