diff --git a/tools/uvr5/mdxnet.py b/tools/uvr5/mdxnet.py
index 0d609c4..372db25 100644
--- a/tools/uvr5/mdxnet.py
+++ b/tools/uvr5/mdxnet.py
@@ -220,7 +220,7 @@ class Predictor:
             opt_path_other = path_other[:-4] + ".%s" % format
             if os.path.exists(path_vocal):
                 os.system(
-                    "ffmpeg -i %s -vn %s -q:a 2 -y" % (path_vocal, opt_path_vocal)
+                    "ffmpeg -i '%s' -vn '%s' -q:a 2 -y" % (path_vocal, opt_path_vocal)
                 )
                 if os.path.exists(opt_path_vocal):
                     try:
@@ -229,7 +229,7 @@ class Predictor:
                         pass
             if os.path.exists(path_other):
                 os.system(
-                    "ffmpeg -i %s -vn %s -q:a 2 -y" % (path_other, opt_path_other)
+                    "ffmpeg -i '%s' -vn '%s' -q:a 2 -y" % (path_other, opt_path_other)
                 )
                 if os.path.exists(opt_path_other):
                     try: