diff --git a/src/qt5/pkg.sh b/src/qt5/pkg.sh
index db72daf..2170c25 100644
--- a/src/qt5/pkg.sh
+++ b/src/qt5/pkg.sh
@@ -10,15 +10,17 @@ FILES=(
   "designer-qt5.desktop"
   "linguist-qt5.desktop"
   "qdbusviewer-qt5.desktop"
+  "rapidjson-readonly-member-fix.patch"
 )
 HASHES=(
   "3fb1cd4f763f5d50d491508b7b99fb77"
-  "50db2eb15bada7e87ddbe43a9a6a8f2844513356dd9c9adc9f4fedfc12b0db6d"
   "82257f13e8c3b85955bf1d0750049b945dedadc3f2f76960f3d922347372b1da"
+  "50db2eb15bada7e87ddbe43a9a6a8f2844513356dd9c9adc9f4fedfc12b0db6d"
   "162c1b77fa48db234f483148337c57f3850d9749cfdb8660054a8c81a52c1f4b"
   "945d209667d4bdb01ddb9d5ee4968dee55e4386f0927246995de8bda93b0c274"
   "27b1237daf07ac00b9035f607744c42f5824455f20f94e3f1ac9eed64508542c"
   "5ce3d8b7550bdd1423c786b6ef543564aacaec61a62fdee1601bea249ff794cb"
+  "5002ff20a65b7d057411e39adf7f5a29eddff818d20579900b655df4d838b984a1b68f488232e1990b592943a70943619d924da1c4e1d2ce0d3ef65bc40f75d6"
 )
 
 DEPENDS=(
@@ -33,6 +35,10 @@ PACKAGE() {
   tar xf "qt-everywhere-opensource-src-${VERSION}.tar.xz"
   cd "qt-everywhere-src-${VERSION}"
 
+  export CFLAGS="${CFLAGS} -std=gnu89"
+  export CXXFLAGS="${CFLAGS} -std=gnu89"
+  export CPPFLAGS="${CFLAGS} -std=gnu89"
+
   patch -Np1 -i "../qt-everywhere-opensource-src-${VERSION}-kf5-1.patch"
   mkdir -pv qtbase/.git
   sed -e "/pragma once/a#include <cstdint>"                                    \
@@ -41,6 +47,11 @@ PACKAGE() {
        qtlocation/src/3rdparty/mapbox-gl-native/src/mbgl/gl/stencil_mode.hpp
   patch -Np1 -i "../qt-everywhere-opensource-src-${VERSION}-security_fix-1.patch"
 
+  pushd "deps/rapidjson/1.1.0"
+    # https://github.com/Tencent/rapidjson/issues/2277
+    patch -p1 -i "${ROOTDIR}/rapidjson-readonly-member-fix.patch"
+  popd
+
   ./configure -prefix /usr                              \
             -sysconfdir /etc/xdg                        \
             -confirm-license                            \
@@ -65,14 +76,14 @@ PACKAGE() {
   make
   make INSTALL_ROOT="${ROOTDIR}" install
 
-  find "${ROOTDIR}/usr/lib" -name \*.prl \
+  find "${ROOTDIR}/usr" -name \*.prl \
    -exec sed -i -e '/^QMAKE_PRL_BUILD_DIR/d' {} \;
-  
+
   install -v -dm755 "${ROOTDIR}/usr/share/pixmaps/"
   install -v -Dm644 qttools/src/assistant/assistant/images/assistant-128.png \
                     "${ROOTDIR}/usr/share/pixmaps/assistant-qt5.png"
   install -v -Dm644 qttools/src/designer/src/designer/images/designer.png \
-                    "${ROOTDIR}/usr/share/pixmaps/designer-qt5.png" 
+                    "${ROOTDIR}/usr/share/pixmaps/designer-qt5.png"
   install -v -Dm644 qttools/src/linguist/linguist/images/icons/linguist-128-32.png \
                     "${ROOTDIR}/usr/share/pixmaps/linguist-qt5.png"
   install -v -Dm644 qttools/src/qdbus/qdbusviewer/images/qdbusviewer-128.png \
diff --git a/src/qt5/rapidjson-readonly-member-fix.patch b/src/qt5/rapidjson-readonly-member-fix.patch
new file mode 100644
index 0000000..0799d22
--- /dev/null
+++ b/src/qt5/rapidjson-readonly-member-fix.patch
@@ -0,0 +1,22 @@
+From 3b2441b87f99ab65f37b141a7b548ebadb607b96 Mon Sep 17 00:00:00 2001
+From: Janusz Chorko <janusz.chorko@apdu.pl>
+Date: Fri, 26 Aug 2016 21:17:38 +0200
+Subject: [PATCH] Removed non-compiling assignment operator. Fixed #718
+
+---
+ include/rapidjson/document.h | 2 --
+ 1 file changed, 2 deletions(-)
+
+diff --git a/include/rapidjson/document.h b/include/rapidjson/document.h
+index e3e20dfbd..b0f1f70be 100644
+--- a/include/rapidjson/document.h
++++ b/include/rapidjson/document.h
+@@ -316,8 +316,6 @@ struct GenericStringRef {
+ 
+     GenericStringRef(const GenericStringRef& rhs) : s(rhs.s), length(rhs.length) {}
+ 
+-    GenericStringRef& operator=(const GenericStringRef& rhs) { s = rhs.s; length = rhs.length; }
+-
+     //! implicit conversion to plain CharType pointer
+     operator const Ch *() const { return s; }
+