diff --git a/fs/vfs/fs_open.c b/fs/vfs/fs_open.c
index 6d0b0e89c254428951598c83131caf9345a78718..eb2f4e7777dc24b4b5312d0776624a0bb5525ac1 100755
--- a/fs/vfs/fs_open.c
+++ b/fs/vfs/fs_open.c
@@ -347,7 +347,7 @@ int do_open(int dirfd, const char *path, int oflags, mode_t mode)
   if ((oflags & (O_WRONLY | O_CREAT)) != 0)
     {
       mode &= ~GetUmask();
-      mode &= (S_IRWXU|S_IRWXG|S_IRWXO);
+      mode &= (S_IRWXU | S_IRWXG | S_IRWXO);
     }
 
   fd = fp_open(fullpath, oflags, mode);