diff --git a/libs/ffsubsync/_version.py b/libs/ffsubsync/_version.py
index 83abafbaf..fac1f364c 100644
--- a/libs/ffsubsync/_version.py
+++ b/libs/ffsubsync/_version.py
@@ -24,8 +24,8 @@ def get_keywords():
     # each be defined on a line of their own. _version.py will just call
     # get_keywords().
     git_refnames = " (HEAD -> master)"
-    git_full = "997749de8aac74ec19137a2e641b97ef1bba81ea"
-    git_date = "2020-08-04 20:06:18 -0700"
+    git_full = "ce46d91fa2d325a13c2830f8030a316ed49b6cc9"
+    git_date = "2020-09-05 11:15:34 -0700"
     keywords = {"refnames": git_refnames, "full": git_full, "date": git_date}
     return keywords
 
diff --git a/libs/ffsubsync/ffsubsync.py b/libs/ffsubsync/ffsubsync.py
index b05249297..e3b08430b 100644
--- a/libs/ffsubsync/ffsubsync.py
+++ b/libs/ffsubsync/ffsubsync.py
@@ -49,7 +49,7 @@ def make_test_case(args, npy_savename, sync_was_successful):
         log_path = 'ffsubsync.log'
         if args.log_dir_path and os.path.isdir(args.log_dir_path):
             log_path = os.path.join(args.log_dir_path, log_path)
-        shutil.move(log_path, tar_dir)
+        shutil.copy(log_path, tar_dir)
         shutil.copy(args.srtin, tar_dir)
         if sync_was_successful:
             shutil.move(args.srtout, tar_dir)
@@ -267,12 +267,14 @@ def run(args):
                      'when reference composed of subtitles')
         result['retval'] = 1
         return result
+    log_handler = None
+    log_path = None
     if args.make_test_case:
         log_path = 'ffsubsync.log'
         if args.log_dir_path and os.path.isdir(args.log_dir_path):
             log_path = os.path.join(args.log_dir_path, log_path)
-        handler = logging.FileHandler(log_path)
-        logger.addHandler(handler)
+        log_handler = logging.FileHandler(log_path)
+        logger.addHandler(log_handler)
     if args.extract_subs_from_stream is not None:
         result['retval'] = extract_subtitles_from_reference(args)
         return result
@@ -291,10 +293,14 @@ def run(args):
             return result
     srt_pipes = make_srt_pipes(args)
     sync_was_successful = try_sync(args, reference_pipe, srt_pipes, result)
-    if args.make_test_case:
-        handler.close()
-        logger.removeHandler(handler)
-        result['retval'] += make_test_case(args, npy_savename, sync_was_successful)
+    if log_handler is not None and log_path is not None:
+        assert args.make_test_case
+        log_handler.close()
+        logger.removeHandler(log_handler)
+        try:
+            result['retval'] += make_test_case(args, npy_savename, sync_was_successful)
+        finally:
+            os.remove(log_path)
     return result
 
 
@@ -363,7 +369,7 @@ def add_cli_only_args(parser):
         help='Where to look for ffmpeg and ffprobe. Uses the system PATH by default.'
     )
     parser.add_argument('--log-dir-path', default=None, help='Where to save ffsubsync.log file (must be an existing '
-                                                             'directory).')
+                        'directory).')
     parser.add_argument('--vlc-mode', action='store_true', help=argparse.SUPPRESS)
     parser.add_argument('--gui-mode', action='store_true', help=argparse.SUPPRESS)
 
diff --git a/libs/ffsubsync/speech_transformers.py b/libs/ffsubsync/speech_transformers.py
index 02a7f332b..8290f82f9 100644
--- a/libs/ffsubsync/speech_transformers.py
+++ b/libs/ffsubsync/speech_transformers.py
@@ -233,7 +233,7 @@ class VideoSpeechTransformer(TransformerMixin):
                     if not in_bytes:
                         break
                     newstuff = len(in_bytes) / float(bytes_per_frame) / self.frame_rate
-                    if simple_progress + newstuff > total_duration:
+                    if total_duration is not None and simple_progress + newstuff > total_duration:
                         newstuff = total_duration - simple_progress
                     simple_progress += newstuff
                     pbar.update(newstuff)