diff --git a/export-video.py b/export-video.py
index 7d57ddb..2fe0582 100755
--- a/export-video.py
+++ b/export-video.py
@@ -90,6 +90,7 @@ def list_file(directory, pattern, recursive):
         return
 
     for i in dirs:
+        logging.debug(' working on file / dir %s', i)
         if os.path.isdir(directory + "/" + i) and recursive:
             logging.info('directory found : %s', i)
             files_list.extend(list_file(
@@ -110,7 +111,7 @@ def get_file_name(path):
     path (string)   : complete path + file
     """
     return os.path.splitext(os.path.basename(path))[0]
-
+ 
 
 def process_arg(sysarg):
     """
@@ -187,7 +188,9 @@ def encode_h264(src, dest):
         ] + params["h264_acommand"] + [
             dest+".mp4"
         ]
+        logging.debug("First Pass command %s", firstpass)
         execute(firstpass)
+        logging.debug("Second pass command %s", secondpass)
         execute(secondpass)
     else:
         logging.debug("one pass encoding started ...")
@@ -226,14 +229,19 @@ if __name__ == "__main__":
         )
         for f in video_files:
             logging.info('batch encode | file %s', f)
-            encode_h264(f, params["file_output"] + get_file_name(f))
+            encode_h264(f, os.path.join(
+                params["file_output"], get_file_name(f)
+            ))
     else:
         if os.path.isfile(params["file_input"]):
             if not params["file_output"]:
                 params["file_output"] = get_file_name(params["file_input"])
             else:
                 if os.path.isdir(params["file_output"]):
-                    params["file_input"] += get_file_name(params["file_input"])
+                    params["file_input"] = os.path.join(
+                            params["file_input"],
+                            get_file_name(params["file_input"])
+                        )
             logging.info('%s is a file', params["file_input"])
             encode_h264(params["file_input"], params["file_output"])
         else: