diff --git a/pkgs/development/python-modules/pyqt6-webengine/default.nix b/pkgs/development/python-modules/pyqt6-webengine/default.nix
index be38e6c78f35..4f410a23626f 100644
--- a/pkgs/development/python-modules/pyqt6-webengine/default.nix
+++ b/pkgs/development/python-modules/pyqt6-webengine/default.nix
@@ -26,6 +26,10 @@ buildPythonPackage rec {
     hash = "sha256-ZARepiK2pBiCwrGPVa6XFLhmCs/walTpEOtygiwvP/I=";
   };
 
+  patches = [
+    ./qvariant.patch
+  ];
+
   # fix include path and increase verbosity
   postPatch = ''
     sed -i \
diff --git a/pkgs/development/python-modules/pyqt6-webengine/qvariant.patch b/pkgs/development/python-modules/pyqt6-webengine/qvariant.patch
new file mode 100644
index 000000000000..b964a1e1cf2f
--- /dev/null
+++ b/pkgs/development/python-modules/pyqt6-webengine/qvariant.patch
@@ -0,0 +1,12 @@
+diff --git a/sip/QtWebEngineCore/qwebengineframe.sip b/sip/QtWebEngineCore/qwebengineframe.sip
+index d5420e6..5a29f29 100644
+--- a/sip/QtWebEngineCore/qwebengineframe.sip
++++ b/sip/QtWebEngineCore/qwebengineframe.sip
+@@ -26,6 +26,7 @@ class QWebEngineFrame /NoDefaultCtors/
+ {
+ %TypeHeaderCode
+ #include <qwebengineframe.h>
++#include <QVariant>
+ %End
+ 
+ public: