diff --git a/Libraries/LibWeb/Forward.h b/Libraries/LibWeb/Forward.h
index 3431118c7e..7b475d0fc7 100644
--- a/Libraries/LibWeb/Forward.h
+++ b/Libraries/LibWeb/Forward.h
@@ -43,6 +43,7 @@ class HTMLFormElement;
 class HTMLHeadElement;
 class HTMLHtmlElement;
 class HTMLImageElement;
+class HTMLScriptElement;
 class HtmlView;
 class ImageData;
 class LayoutDocument;