diff --git a/zhconv.py b/zhconv.py
index a3e0359..9f9bd9b 100644
--- a/zhconv.py
+++ b/zhconv.py
@@ -30,7 +30,7 @@ def main():
 
     if os.path.isfile(input_arg):
         target_dir = os.path.dirname(input_arg)
-        target_files = [os.path.basename(input_arg)]
+        target_files = [input_arg]
     elif os.path.isdir(input_arg):
         target_dir = input_arg
         target_files = None