diff --git a/fs/fuse/virtio_fs.c b/fs/fuse/virtio_fs.c
index 48f144d08381..78113f1776f0 100644
--- a/fs/fuse/virtio_fs.c
+++ b/fs/fuse/virtio_fs.c
@@ -1206,6 +1206,9 @@ static int virtio_fs_get_tree(struct fs_context *fsc)
 	struct fuse_conn *fc;
 	int err;
 
+	if (!fsc->source)
+		return invalf(fsc, "No source specified");
+
 	/* This gets a reference on virtio_fs object. This ptr gets installed
 	 * in fc->iq->priv. Once fuse_conn is going away, it calls ->put()
 	 * to drop the reference to this object.