diff --git a/srcpkgs/lxqt-session/template b/srcpkgs/lxqt-session/template
index 732654629ab..df3f1b2b2ae 100644
--- a/srcpkgs/lxqt-session/template
+++ b/srcpkgs/lxqt-session/template
@@ -4,7 +4,7 @@ version=0.11.1
 revision=1
 build_style=cmake
 configure_args="-DPULL_TRANSLATIONS=0"
-hostmakedepends="pkg-config"
+hostmakedepends="pkg-config qt5-host-tools liblxqt-devel xdg-user-dirs"
 makedepends="liblxqt-devel xdg-user-dirs"
 depends="xdg-user-dirs"
 short_desc="LXQt session handler"
@@ -13,3 +13,7 @@ license="LGPL-2.1"
 homepage="http://lxqt.org/"
 distfiles="https://github.com/lxde/lxqt-session/releases/download/${version}/lxqt-session-${version}.tar.xz"
 checksum=16bb429fb6fb7149d97bd6ee8a46abd1d9b01444f09db31601c7265ed2cd6f76
+
+post_configure() {
+	find -name flags.make -exec sed -i "{}" -e"s;-isystem;-I;g" \;
+}