diff --git a/pre_commit_hooks/mixed_line_ending.py b/pre_commit_hooks/mixed_line_ending.py
index c890976..8f3e0b1 100644
--- a/pre_commit_hooks/mixed_line_ending.py
+++ b/pre_commit_hooks/mixed_line_ending.py
@@ -79,14 +79,7 @@ def mixed_line_ending(argv=None):
         return _process_fix_auto(filenames)
     # when a line ending character is forced with --fix option
     else:
-        line_ending_enum = fix_option.line_ending_enum
-
-        logging.info('Force line ending to "%s"', line_ending_enum.str_print)
-
-        for filename in options['filenames']:
-            _convert_line_ending(filename, line_ending_enum.string)
-
-        return 1
+        return _process_fix_force(filenames, fix_option.line_ending_enum)
 
     return 0
 
@@ -221,6 +214,15 @@ def _process_fix_auto(filenames):
     return 1 if converted_found else 0
 
 
+def _process_fix_force(filenames, line_ending_enum):
+    logging.info('Force line ending to "%s"', line_ending_enum.str_print)
+
+    for filename in filenames:
+        _convert_line_ending(filename, line_ending_enum.string)
+
+    return 1
+
+
 def _convert_line_ending(filename, line_ending):
     # read the file
     fin = open(filename, 'r')