diff --git a/srcpkgs/qsynth/template b/srcpkgs/qsynth/template
index e2e84862271..8b6bd698721 100644
--- a/srcpkgs/qsynth/template
+++ b/srcpkgs/qsynth/template
@@ -1,7 +1,7 @@
 # Template file for 'qsynth'
 pkgname=qsynth
 version=0.4.4
-revision=1
+revision=2
 build_style=gnu-configure
 hostmakedepends="pkg-config qt5-qmake qt5-tools"
 makedepends="qt5-x11extras-devel jack-devel fluidsynth-devel"
@@ -13,4 +13,18 @@ homepage="http://qsynth.sourceforge.net"
 distfiles="${SOURCEFORGE_SITE}/$pkgname/$pkgname-$version.tar.gz"
 checksum=0ef914447b1f3a3ecd9c38101f06fc9c67e1d8367202a3f7a494f5d167b40e62
 
-nocross="https://build.voidlinux.eu/builders/aarch64-musl_builder/builds/2580"
+if [ -n "${CROSS_BUILD}" ]; then
+	hostmakedepends+=" qt5-x11extras-devel qt5-host-tools"
+fi
+
+post_configure() {
+	# make qmake use the right compiler when cross compiling, flags are recognized
+	sed -i -e "s/\(export QMAKE = .\+\)/\1 QMAKE_CC=$CC QMAKE_CXX=$CXX QMAKE_LINK=$CXX/" Makefile
+}
+
+pre_install() {
+	# revert previous changes else installation aborts with
+	# “Could not find qmake configuration file default.”
+	sed -i -e "s/\(export QMAKE = .\+\) QMAKE_CC.\+/\1/" Makefile
+}
+