diff --git a/fs/nfs/nfsroot.c b/fs/nfs/nfsroot.c
index effaa4247b912fe9836e65910470e1e0ec15a0f2..8d32788056022d71f030d1d90dff7c4c09ff9447 100644
--- a/fs/nfs/nfsroot.c
+++ b/fs/nfs/nfsroot.c
@@ -88,7 +88,7 @@
 #define NFS_ROOT		"/tftpboot/%s"
 
 /* Default NFSROOT mount options. */
-#define NFS_DEF_OPTIONS		"vers=2,udp,rsize=4096,wsize=4096"
+#define NFS_DEF_OPTIONS		"vers=2,tcp,rsize=4096,wsize=4096"
 
 /* Parameters passed from the kernel command line */
 static char nfs_root_parms[NFS_MAXPATHLEN + 1] __initdata = "";