diff --git a/app/assets/stylesheets/content/_work_packages.sass b/app/assets/stylesheets/content/_work_packages.sass
index 59c38e21a5..6608e84445 100644
--- a/app/assets/stylesheets/content/_work_packages.sass
+++ b/app/assets/stylesheets/content/_work_packages.sass
@@ -27,6 +27,7 @@
  */
 
 @import content/forms
+@import layout/split_view
 
 .work-packages--split-view
   @extend .split-view