diff --git a/web/src/ui/emojipicker/useCategoryUnderline.ts b/web/src/ui/emojipicker/useCategoryUnderline.ts
index a19f1dd..f9d1043 100644
--- a/web/src/ui/emojipicker/useCategoryUnderline.ts
+++ b/web/src/ui/emojipicker/useCategoryUnderline.ts
@@ -38,6 +38,9 @@ const useCategoryUnderline = () => {
 					cat.classList.remove("visible")
 				}
 			}
+		}, {
+			rootMargin: `-8px 0px 0px 0px`,
+			root: lists.parentElement,
 		})
 		for (const cat of lists.getElementsByClassName("emoji-category")) {
 			observer.observe(cat)