diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index aabb78410..009f148ea 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -577,7 +577,7 @@ module ApplicationHelper
     s = (+'').html_safe
     build_project_link = lambda do |project, level = 0|
       padding = level * 16
-      text = content_tag('span', project.name, :style => "padding-left:#{padding}px;")
+      text = content_tag('span', project.name, :style => "padding-inline-start:#{padding}px;")
       s << link_to(text, project_path(project, :jump => jump),
                    :title => project.name,
                    :class => (project == selected ? 'selected' : nil))