diff --git a/zshrc/.zshrc b/zshrc/.zshrc
index 2144bc5..1415dc0 100644
--- a/zshrc/.zshrc
+++ b/zshrc/.zshrc
@@ -56,3 +56,8 @@ eval "$(pyenv init - zsh)"
 
 eval "$(starship init zsh)"
 eval "$(zoxide init zsh)"
+
+# Attach to or create tmux session 'moshi' if tmux is installed and not already inside tmux
+if command -v tmux &>/dev/null && [ -z "$TMUX" ]; then
+  tmux new-session -As moshi
+fi