diff --git a/kitty/options/parse.py b/kitty/options/parse.py
index ef7810907..f9fb172b5 100644
--- a/kitty/options/parse.py
+++ b/kitty/options/parse.py
@@ -1351,6 +1351,9 @@ class Parser:
     def tab_bar_min_tabs(self, val: str, ans: dict[str, typing.Any]) -> None:
         ans['tab_bar_min_tabs'] = tab_bar_min_tabs(val)
 
+    def tab_bar_show_new_tab_button(self, val: str, ans: dict[str, typing.Any]) -> None:
+        ans['tab_bar_show_new_tab_button'] = to_bool(val)
+
     def tab_bar_style(self, val: str, ans: dict[str, typing.Any]) -> None:
         val = val.lower()
         if val not in self.choices_for_tab_bar_style:
diff --git a/kitty/options/types.py b/kitty/options/types.py
index 5fec0b971..0cd5f4576 100644
--- a/kitty/options/types.py
+++ b/kitty/options/types.py
@@ -460,6 +460,7 @@ option_names = (
     'tab_bar_margin_height',
     'tab_bar_margin_width',
     'tab_bar_min_tabs',
+    'tab_bar_show_new_tab_button',
     'tab_bar_style',
     'tab_fade',
     'tab_powerline_style',
@@ -663,6 +664,7 @@ class Options:
     tab_bar_margin_height: TabBarMarginHeight = TabBarMarginHeight(outer=0, inner=0)
     tab_bar_margin_width: float = 0
     tab_bar_min_tabs: int = 2
+    tab_bar_show_new_tab_button: bool = False
     tab_bar_style: choices_for_tab_bar_style = 'fade'
     tab_fade: tuple[float, ...] = (0.25, 0.5, 0.75, 1.0)
     tab_powerline_style: choices_for_tab_powerline_style = 'angled'