diff --git a/fs/nfs/fs_context.c b/fs/nfs/fs_context.c
index b616263b0eb6..e113fcb4bb4c 100644
--- a/fs/nfs/fs_context.c
+++ b/fs/nfs/fs_context.c
@@ -832,6 +832,8 @@ static int nfs_parse_source(struct fs_context *fc,
 	if (len > maxnamlen)
 		goto out_hostname;
 
+	kfree(ctx->nfs_server.hostname);
+
 	/* N.B. caller will free nfs_server.hostname in all cases */
 	ctx->nfs_server.hostname = kmemdup_nul(dev_name, len, GFP_KERNEL);
 	if (!ctx->nfs_server.hostname)