diff --git a/srcpkgs/phonon-qt5-backend-gstreamer/template b/srcpkgs/phonon-qt5-backend-gstreamer/template
index 273e3fd3f5b..5ac442943f4 100644
--- a/srcpkgs/phonon-qt5-backend-gstreamer/template
+++ b/srcpkgs/phonon-qt5-backend-gstreamer/template
@@ -17,3 +17,7 @@ license="LGPL-2.1"
 homepage="http://phonon.kde.org/"
 distfiles="http://download.kde.org/stable/phonon/${pkgname/-qt5/}/${version}/${pkgname/-qt5/}-${version}.tar.xz"
 checksum=cec3e5ece1261d344b68363ef0606ebf49772628ba94bb55b0c0d18773b885f1
+
+if [ -n "$CROSS_BUILD" ]; then
+	hostmakedepends+=" qt5-host-tools qt5-devel qt5-x11extras-devel phonon-qt5-devel"
+fi