diff --git a/src/shared/mount-util.c b/src/shared/mount-util.c
index 9a1cc31fac..8679db7057 100644
--- a/src/shared/mount-util.c
+++ b/src/shared/mount-util.c
@@ -1854,11 +1854,11 @@ int make_fsmount(
         if (mnt_fd < 0)
                 return log_full_errno(error_log_level, errno, "Failed to create mount fd for \"%s\" (\"%s\"): %m", what, type);
 
-        if (mount_setattr(mnt_fd, "", AT_EMPTY_PATH|AT_RECURSIVE,
-                          &(struct mount_attr) {
-                                  .attr_set = ms_flags_to_mount_attr(f) | (userns_fd >= 0 ? MOUNT_ATTR_IDMAP : 0),
-                                  .userns_fd = userns_fd,
-                          }, MOUNT_ATTR_SIZE_VER0) < 0)
+        struct mount_attr ma = {
+                .attr_set = ms_flags_to_mount_attr(f) | (userns_fd >= 0 ? MOUNT_ATTR_IDMAP : 0),
+                .userns_fd = userns_fd,
+        };
+        if (ma.attr_set != 0 && mount_setattr(mnt_fd, "", AT_EMPTY_PATH|AT_RECURSIVE, &ma, MOUNT_ATTR_SIZE_VER0) < 0)
                 return log_full_errno(error_log_level,
                                       errno,
                                       "Failed to set mount flags for \"%s\" (\"%s\"): %m",