diff --git a/kai/gitgud.lua b/kai/gitgud.lua
index 5f848f4..2aa2d0f 100644
--- a/kai/gitgud.lua
+++ b/kai/gitgud.lua
@@ -33,7 +33,7 @@ local function get(url)
     return result
 end
 
-function ensure_dotlua(path)
+local function ensure_dotlua(path)
     if string.match(path, "%.lua$") then
         return path
     else