diff --git a/tools/uvr5/mdxnet.py b/tools/uvr5/mdxnet.py
index e109827..6548ce2 100644
--- a/tools/uvr5/mdxnet.py
+++ b/tools/uvr5/mdxnet.py
@@ -190,14 +190,14 @@ class Predictor:
             opt_path_vocal = path_vocal[:-4] + ".%s" % format
             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))
+                os.system("ffmpeg -i \"%s\" -vn \"%s\" -q:a 2 -y" % (path_vocal, opt_path_vocal))
                 if os.path.exists(opt_path_vocal):
                     try:
                         os.remove(path_vocal)
                     except:
                         pass
             if os.path.exists(path_other):
-                os.system("ffmpeg -i '%s' -vn '%s' -q:a 2 -y" % (path_other, opt_path_other))
+                os.system("ffmpeg -i \"%s\" -vn \"%s\" -q:a 2 -y" % (path_other, opt_path_other))
                 if os.path.exists(opt_path_other):
                     try:
                         os.remove(path_other)
diff --git a/tools/uvr5/vr.py b/tools/uvr5/vr.py
index 4ca8a3b..8f24ca6 100644
--- a/tools/uvr5/vr.py
+++ b/tools/uvr5/vr.py
@@ -140,7 +140,9 @@ class AudioPre:
                 )
                 if os.path.exists(path):
                     opt_format_path = path[:-4] + ".%s" % format
-                    os.system("ffmpeg -i %s -vn %s -q:a 2 -y" % (path, opt_format_path))
+                    cmd="ffmpeg -i \"%s\" -vn \"%s\" -q:a 2 -y" % (path, opt_format_path)
+                    print(cmd)
+                    os.system(cmd)
                     if os.path.exists(opt_format_path):
                         try:
                             os.remove(path)
@@ -175,7 +177,9 @@ class AudioPre:
                 )
                 if os.path.exists(path):
                     opt_format_path = path[:-4] + ".%s" % format
-                    os.system("ffmpeg -i %s -vn %s -q:a 2 -y" % (path, opt_format_path))
+                    cmd="ffmpeg -i \"%s\" -vn \"%s\" -q:a 2 -y" % (path, opt_format_path)
+                    print(cmd)
+                    os.system(cmd)
                     if os.path.exists(opt_format_path):
                         try:
                             os.remove(path)
@@ -303,7 +307,9 @@ class AudioPreDeEcho:
                 )
                 if os.path.exists(path):
                     opt_format_path = path[:-4] + ".%s" % format
-                    os.system("ffmpeg -i %s -vn %s -q:a 2 -y" % (path, opt_format_path))
+                    cmd="ffmpeg -i \"%s\" -vn \"%s\" -q:a 2 -y" % (path, opt_format_path)
+                    print(cmd)
+                    os.system(cmd)
                     if os.path.exists(opt_format_path):
                         try:
                             os.remove(path)
@@ -334,7 +340,9 @@ class AudioPreDeEcho:
                 )
                 if os.path.exists(path):
                     opt_format_path = path[:-4] + ".%s" % format
-                    os.system("ffmpeg -i %s -vn %s -q:a 2 -y" % (path, opt_format_path))
+                    cmd="ffmpeg -i \"%s\" -vn \"%s\" -q:a 2 -y" % (path, opt_format_path)
+                    print(cmd)
+                    os.system(cmd)
                     if os.path.exists(opt_format_path):
                         try:
                             os.remove(path)