diff --git a/states/kitty/defaults.yaml b/states/kitty/defaults.yaml
index 5d7cd6b..67bd72a 100644
--- a/states/kitty/defaults.yaml
+++ b/states/kitty/defaults.yaml
@@ -7,3 +7,4 @@ kitty:
     detect_urls: "no"
     mouse_map: "left click ungrabbed no_op"
     map ctrl+shift+w: "no_op"
+    font_size: "10.0"