diff --git a/service/src/main/php/src/tools/h5p/js/customEdu.css b/service/src/main/php/src/tools/h5p/js/customEdu.css
index 0f68c83..13b3b18 100644
--- a/service/src/main/php/src/tools/h5p/js/customEdu.css
+++ b/service/src/main/php/src/tools/h5p/js/customEdu.css
@@ -1,4 +1,4 @@
-.field-name-extraTitle {
+.tree > .field-name-extraTitle {
     display: none;
 }