diff --git a/fs/fuse/passthrough.c b/fs/fuse/passthrough.c
index c0ae3069c6c8..2449558bac18 100644
--- a/fs/fuse/passthrough.c
+++ b/fs/fuse/passthrough.c
@@ -214,7 +214,8 @@ int fuse_passthrough_open(struct fuse_dev *fud, u32 lower_fd)
 	}
 
 	if (!passthrough_filp->f_op->read_iter ||
-	    !passthrough_filp->f_op->write_iter) {
+	    !((passthrough_filp->f_path.mnt->mnt_flags | MNT_READONLY) ||
+	       passthrough_filp->f_op->write_iter)) {
 		pr_err("FUSE: passthrough file misses file operations.\n");
 		res = -EBADF;
 		goto err_free_file;