diff --git a/src/libprs500/__init__.py b/src/libprs500/__init__.py
index f997919bbe..85ba74fdd4 100644
--- a/src/libprs500/__init__.py
+++ b/src/libprs500/__init__.py
@@ -37,7 +37,7 @@ You may have to adjust the GROUP and the location of the rules file to
 suit your distribution.
 """
 
-__version__   = "0.3.6"
+__version__   = "0.3.7"
 __docformat__ = "epytext"
 __author__    = "Kovid Goyal <kovid@kovidgoyal.net>"
 
diff --git a/src/libprs500/cli/main.py b/src/libprs500/cli/main.py
index f9078f1ec7..9477fb1052 100755
--- a/src/libprs500/cli/main.py
+++ b/src/libprs500/cli/main.py
@@ -250,7 +250,7 @@ def main():
                 if os.path.isdir(outfile):
                     outfile = os.path.join(outfile, path[path.rfind("/")+1:]) 
                 try:
-                    outfile = open(outfile, "w")
+                    outfile = open(outfile, "wb")
                 except IOError, e:
                     print >> sys.stderr, e
                     parser.print_help()
@@ -259,7 +259,7 @@ def main():
                 outfile.close()
             elif args[1].startswith("prs500:"):
                 try:
-                    infile = open(args[0], "r")
+                    infile = open(args[0], "rb")
                 except IOError, e:
                     print >> sys.stderr, e
                     parser.print_help()