diff --git a/create_homepage.lua b/create_homepage.lua
index a71a3c4..b27baed 100755
--- a/create_homepage.lua
+++ b/create_homepage.lua
@@ -251,6 +251,8 @@ end
 
 -- Browse categ directory
 local categories_files = listing (currentpath .. '/' .. categ, categ_extension)
+-- sort table in order to show categories in the alphabetical order
+table.sort(categories_files)
 local content = ''
 if categories_files then
   for k,v in pairs(categories_files) do