diff --git a/nvchecker/lib/nicelogger.py b/nvchecker/lib/nicelogger.py
index db9d5c8..b4e627b 100644
--- a/nvchecker/lib/nicelogger.py
+++ b/nvchecker/lib/nicelogger.py
@@ -13,7 +13,7 @@ import logging
 
 class TornadoLogFormatter(logging.Formatter):
   def __init__(self, color, *args, **kwargs):
-    super().__init__(self, *args, **kwargs)
+    super().__init__(*args, **kwargs)
     self._color = color
     if color:
       import curses
diff --git a/nvchecker/slogconf.py b/nvchecker/slogconf.py
index 7d9e07e..b125b45 100644
--- a/nvchecker/slogconf.py
+++ b/nvchecker/slogconf.py
@@ -64,7 +64,7 @@ class _Logger(logging.Logger):
 
   _structlog_dir = os.path.dirname(structlog.__file__)
 
-  def findCaller(self, stack_info=False):
+  def findCaller(self, stack_info=False, stacklevel=1):
     """
     Find the stack frame of the caller so that we can note the source
     file name, line number and function name.
@@ -74,6 +74,12 @@ class _Logger(logging.Logger):
     #IronPython isn't run with -X:Frames.
     if f is not None:
       f = f.f_back
+    orig_f = f
+    while f and stacklevel > 1:
+      f = f.f_back
+      stacklevel -= 1
+    if not f:
+      f = orig_f
     rv = "(unknown file)", 0, "(unknown function)", None
     while hasattr(f, "f_code"):
       co = f.f_code