diff --git a/run.py b/run.py
index 65749b4..19a10be 100644
--- a/run.py
+++ b/run.py
@@ -34,7 +34,7 @@ parser.add_argument('--gpu', help='use gpu', dest='gpu', action='store_true', de
 parser.add_argument('--keep-fps', help='maintain original fps', dest='keep_fps', action='store_true', default=False)
 parser.add_argument('--keep-frames', help='keep frames directory', dest='keep_frames', action='store_true', default=False)
 parser.add_argument('--max-memory', help='set max memory', default=16, type=int)
-parser.add_argument('--max-cores', help='number of cores to use', dest='cores_count', type=int, default=psutil.cpu_count() - 2)
+parser.add_argument('--max-cores', help='number of cores to use', dest='cores_count', type=int, default=max(psutil.cpu_count() - 2, 2))
 
 for name, value in vars(parser.parse_args()).items():
     args[name] = value