diff --git a/app/helpers/merged/view_helper.rb b/app/helpers/merged/view_helper.rb
index 10deee6..89c0e0a 100644
--- a/app/helpers/merged/view_helper.rb
+++ b/app/helpers/merged/view_helper.rb
@@ -26,8 +26,8 @@ module Merged
         clazz += " bg-fixed"
       end
       if(align = section.option("image_align"))
-        align += "-bottom" unless align == "center"
-        # for tailwind: bg-left-bottom bg-right-bottom bg-center
+        align = "bg-bottom" if align == "center"
+        # for tailwind: bg-left-bottom bg-right-bottom
         clazz += " bg-#{align}"
       end
       {class: clazz , style: style}