diff --git a/OutputCheck/CheckFileParser.py b/OutputCheck/CheckFileParser.py
index 6cb04c9..6cd0e37 100644
--- a/OutputCheck/CheckFileParser.py
+++ b/OutputCheck/CheckFileParser.py
@@ -44,9 +44,9 @@ def  __init__(self, checkPrefix, lineCommentPrefix):
 
             if getattr(object,'directiveToken',None) != None:
                 # Found a match
-                directives.append( directive( Regex=re.compile(directivePrefix + 
-                                                               object.directiveToken() + 
-                                                               '\s*' + # Ignore all whitespace after directive
+                directives.append( directive( Regex=re.compile(directivePrefix +
+                                                               object.directiveToken() +
+                                                               r'\s*' + # Ignore all whitespace after directive
                                                                patternRegex),
                                               Class=object
                                             ) 
diff --git a/OutputCheck/Driver.py b/OutputCheck/Driver.py
index 0657989..a7e6338 100644
--- a/OutputCheck/Driver.py
+++ b/OutputCheck/Driver.py
@@ -34,7 +34,7 @@ def enum(*sequential, **named):
 
 def main(args):
     parser = argparse.ArgumentParser(description=__doc__)
-    parser.add_argument('check_file', type=argparse.FileType('rU'), help='File containing check commands')
+    parser.add_argument('check_file', type=argparse.FileType('r'), help='File containing check commands')
     parser.add_argument('--file-to-check=', type=argparse.FileType('r'), default='-', help='File to check (default %(default)s)')
     parser.add_argument('--check-prefix=', default='CHECK', help='Prefix to use from check_file')
     parser.add_argument("-l","--log-level",type=str, default="INFO", choices=['debug','info','warning','error'])