diff --git a/srcpkgs/kadu/patches/gcc7.patch b/srcpkgs/kadu/patches/gcc7.patch
new file mode 100644
index 00000000000..7c76910edad
--- /dev/null
+++ b/srcpkgs/kadu/patches/gcc7.patch
@@ -0,0 +1,12 @@
+diff --git kadu-core/plugin/dependency-graph/plugin-dependency-graph-builder.h kadu-core/plugin/dependency-graph/plugin-dependency-graph-builder.h
+index 1e6a500..a231cba 100644
+--- kadu-core/plugin/dependency-graph/plugin-dependency-graph-builder.h
++++ kadu-core/plugin/dependency-graph/plugin-dependency-graph-builder.h
+@@ -22,6 +22,7 @@
+ #include <QtCore/QObject>
+ #include <map>
+ #include <set>
++#include <functional>
+ 
+ #include "exports.h"
+ #include "plugin/dependency-graph/plugin-dependency-graph.h"
diff --git a/srcpkgs/kadu/template b/srcpkgs/kadu/template
index ee130d9a908..d74b50726e7 100644
--- a/srcpkgs/kadu/template
+++ b/srcpkgs/kadu/template
@@ -1,7 +1,7 @@
 # Template file for 'kadu'
 pkgname=kadu
 version=4.3
-revision=1
+revision=2
 build_style=cmake
 configure_args="-DCMAKE_PREFIX_PATH=${XBPS_CROSS_BASE}/usr
  -DQCA2_INCLUDE_DIR=${XBPS_CROSS_BASE}/usr/include/QtCrypto
@@ -19,7 +19,7 @@ depends="${pkgname}-data-${version}_${revision} hicolor-icon-theme qca-qt5-ossl
  $(vopt_if tds qt5-plugin-tds)"
 short_desc="Instant Messenger client"
 maintainer="Jürgen Buchmüller <pullmoll@t-online.de>"
-license="GPL-2"
+license="GPL-2.0-or-later, GPL-3.0-or-later, LGPL-2.1-or-later"
 homepage="http://www.kadu.im/"
 distfiles="http://download.kadu.im/stable/${pkgname}-${version}.tar.bz2"
 checksum=ad5d1cbb908c3cd07f2955d343d44b993cd5639427a48a2912441955cfd2bd6e