diff --git a/www/qt5-webkit/Makefile b/www/qt5-webkit/Makefile
index 8db128fbea4d..60d9e149f12e 100644
--- a/www/qt5-webkit/Makefile
+++ b/www/qt5-webkit/Makefile
@@ -2,6 +2,7 @@
 
 PORTNAME=		webkit
 DISTVERSION=		5.212.0-alpha2
+PORTREVISION=		1
 CATEGORIES=		www
 MASTER_SITES=		https://github.com/annulen/${PORTNAME}/releases/download/${DISTNAME}/
 PKGNAMEPREFIX=		qt5-
@@ -46,4 +47,7 @@ CXXFLAGS+=		-DNDEBUG
 
 PLIST_SUB=		FULLVER="${PORTVERSION:R}"
 
+SUB_FILES=		pkg-install
+SUB_LIST=		QT_INCDIR="${QT_INCDIR}"
+
 .include <bsd.port.mk>
diff --git a/www/qt5-webkit/files/pkg-install.in b/www/qt5-webkit/files/pkg-install.in
new file mode 100644
index 000000000000..1136125a5b4f
--- /dev/null
+++ b/www/qt5-webkit/files/pkg-install.in
@@ -0,0 +1,11 @@
+#!/bin/sh
+
+# Before r448361, QtWebKit had QT_DEFINES, which caused qconfig-modules.h to
+# include qconfig-webkit.h, which we no longer set. We no longer ship
+# qconfig-webkit.h, we need to make sure qconfig-modules.h no longer includes
+# it (see bug 221828).
+
+if [ "$2" = "POST-INSTALL" ]; then
+    sed -i "" '/qconfig-webkit.h/d' \
+	%%QT_INCDIR%%/QtCore/qconfig-modules.h 2>/dev/null || true
+fi