diff --git a/plugins/tmux/README.md b/plugins/tmux/README.md
index 2ceaf1ad5..551814a39 100644
--- a/plugins/tmux/README.md
+++ b/plugins/tmux/README.md
@@ -39,3 +39,4 @@ The plugin also supports the following:
 | `ZSH_TMUX_FIXTERM_WITH_256COLOR`    | `$TERM` to use for 256-color terminals (default: `screen-256color`            |
 | `ZSH_TMUX_CONFIG`                   | Set the configuration path (default: `$HOME/.tmux.conf`)                      |
 | `ZSH_TMUX_UNICODE`                  | Set `tmux -u` option to support unicode                                       |
+| `ZSH_TMUX_DEFAULT_SESSION_NAME`     | Set tmux default session name when autostart is enabled                       |
diff --git a/plugins/tmux/tmux.plugin.zsh b/plugins/tmux/tmux.plugin.zsh
index e52443a71..0ea3aa02a 100644
--- a/plugins/tmux/tmux.plugin.zsh
+++ b/plugins/tmux/tmux.plugin.zsh
@@ -76,7 +76,11 @@ function _zsh_tmux_plugin_run() {
     elif [[ -e "$ZSH_TMUX_CONFIG" ]]; then
       tmux_cmd+=(-f "$ZSH_TMUX_CONFIG")
     fi
-    $tmux_cmd new-session
+    if [[ -n "$ZSH_TMUX_DEFAULT_SESSION_NAME" ]]; then
+        $tmux_cmd new-session -s $ZSH_TMUX_DEFAULT_SESSION_NAME
+    else
+        $tmux_cmd new-session
+    fi
   fi
 
   if [[ "$ZSH_TMUX_AUTOQUIT" == "true" ]]; then