Index: sip/QtWebEngineCore/qwebengineframe.sip
--- sip/QtWebEngineCore/qwebengineframe.sip.orig
+++ sip/QtWebEngineCore/qwebengineframe.sip
@@ -25,6 +25,7 @@
 class QWebEngineFrame /NoDefaultCtors/
 {
 %TypeHeaderCode
+#include <qvariant.h>
 #include <qwebengineframe.h>
 %End
 
