diff --git a/Userland/Libraries/LibWeb/UIEvents/MouseEvent.idl b/Userland/Libraries/LibWeb/UIEvents/MouseEvent.idl
index 452ef261d4..b8538cea66 100644
--- a/Userland/Libraries/LibWeb/UIEvents/MouseEvent.idl
+++ b/Userland/Libraries/LibWeb/UIEvents/MouseEvent.idl
@@ -1,4 +1,4 @@
-interface MouseEvent : Event {
+interface MouseEvent : UIEvent {
 
     readonly attribute double offsetX;
     readonly attribute double offsetY;