diff --git www/webkit2-gtk3/files/patch-Source_WTF_wtf_URLHelpers.cpp www/webkit2-gtk3/files/patch-Source_WTF_wtf_URLHelpers.cpp
new file mode 100644
index 000000000000..48c6d2d78135
--- /dev/null
+++ www/webkit2-gtk3/files/patch-Source_WTF_wtf_URLHelpers.cpp
@@ -0,0 +1,11 @@
+--- Source/WTF/wtf/URLHelpers.cpp.orig	2021-10-21 08:52:08 UTC
++++ Source/WTF/wtf/URLHelpers.cpp
+@@ -48,7 +48,7 @@ constexpr unsigned urlBytesBufferLength = 2048;
+ //    WebKit was compiled.
+ // This is only really important for platforms that load an external IDN allowed script list.
+ // Not important for the compiled-in one.
+-constexpr auto scriptCodeLimit = static_cast<UScriptCode>(256);
++constexpr auto scriptCodeLimit = static_cast<UScriptCode>(USCRIPT_INVALID_CODE);
+ 
+ static uint32_t allowedIDNScriptBits[(scriptCodeLimit + 31) / 32];
+