diff --git a/mkdocs.yml b/mkdocs.yml
index e93a68d0536d263c42d99b145a742106e0294d8c..846664e59607ddab33ee700b48429c68750f7a79 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -67,6 +67,7 @@ nav:
         - VNC: general/accessing-the-clusters/graphical-user-interface/vnc.md
         - X Window System: general/accessing-the-clusters/graphical-user-interface/x-window-system.md
         - Xorg: general/accessing-the-clusters/graphical-user-interface/xorg.md
+      - Tmux: general/accessing-the-clusters/tmux.md
       - Access the IS and Web Services: general/services-access.md
       - VPN Access: general/accessing-the-clusters/vpn-access.md
     - Run Jobs: