diff --git a/shell-integration/kitty.fish b/shell-integration/kitty.fish
index 004c42eff..afbb81bcf 100644
--- a/shell-integration/kitty.fish
+++ b/shell-integration/kitty.fish
@@ -37,6 +37,8 @@ function _ksi_main
         functions -c fish_prompt _ksi_original_fish_prompt
 
         if _ksi_function_is_not_empty fish_mode_prompt
+            # see https://github.com/starship/starship/issues/1283
+            # for why we have to test for a non-empty fish_mode_prompt
             functions -c fish_mode_prompt _ksi_original_fish_mode_prompt
             function fish_mode_prompt
                 _ksi_start_prompt