diff --git a/data/client.kv b/data/client.kv
index 0b33cda0..5948a3eb 100644
--- a/data/client.kv
+++ b/data/client.kv
@@ -1,5 +1,5 @@
 <TabbedPanel>
-    tab_width: 200
+    tab_width: root.width / app.tab_count
 <SelectableLabel>:
     canvas.before:
         Color:
diff --git a/kvui.py b/kvui.py
index 9b5d0c23..2fa2d455 100644
--- a/kvui.py
+++ b/kvui.py
@@ -330,6 +330,12 @@ class GameManager(App):
 
         super(GameManager, self).__init__()
 
+    @property
+    def tab_count(self):
+        if hasattr(self, "tabs"):
+            return max(1, len(self.tabs.tab_list))
+        return 1
+
     def build(self) -> Layout:
         self.container = ContainerLayout()