1 files changed, 1 insertions, 1 deletions

diff --git a/src/firejail/fs.c b/src/firejail/fs.c
index 0e26eb505..e3b9d6137 100644
--- a/src/firejail/fs.c
+++ b/src/firejail/fs.c
@@ -489,7 +489,7 @@ void fs_tmpfs(const char *dir, unsigned check_owner) {
         struct statvfs buf;
         if (fstatvfs(fd, &buf) == -1)
                 errExit("fstatvfs");
-        unsigned long flags = buf.f_flag & ~(MS_RDONLY|MS_BIND);
+        unsigned long flags = buf.f_flag & ~(MS_RDONLY|MS_BIND|MS_REMOUNT);
         // mount via the symbolic link in /proc/self/fd
         EUID_ROOT();
         char *proc;