diff --git a/programs/shell/tmux/home-manager.nix b/programs/shell/tmux/home-manager.nix
index a91de468..c8be5f65 100644
--- a/programs/shell/tmux/home-manager.nix
+++ b/programs/shell/tmux/home-manager.nix
@@ -36,7 +36,7 @@
   programs.fish.shellInit = ''
     if status is-interactive
     and not set -q TMUX
-    and not set -q SSH_TTY
+    and set -q SSH_TTY
       tmux attach || tmux
     end
   '';