diff --git a/.ssh/rc b/.ssh/rc
index c38d56c..7c75cef 100755
--- a/.ssh/rc
+++ b/.ssh/rc
@@ -3,3 +3,14 @@
 if [ ! -S ~/.ssh/ssh_auth_sock ] && [ -S "$SSH_AUTH_SOCK" ]; then
     ln -sf $SSH_AUTH_SOCK ~/.ssh/ssh_auth_sock
 fi
+
+# Taken from the sshd(8) manpage.
+if read proto cookie && [ -n "$DISPLAY" ]; then
+    if [ `echo $DISPLAY | cut -c1-10` = 'localhost:' ]; then
+        # X11UseLocalhost=yes
+        echo add unix:`echo $DISPLAY | cut -c11-` $proto $cookie
+    else
+        # X11UseLocalhost=no
+        echo add $DISPLAY $proto $cookie
+    fi | xauth -q -
+fi