diff --git a/srcpkgs/hydrogen/template b/srcpkgs/hydrogen/template
index 8c48d4c7cd3..54c5a6e0b1c 100644
--- a/srcpkgs/hydrogen/template
+++ b/srcpkgs/hydrogen/template
@@ -15,4 +15,7 @@ homepage="http://www.hydrogen-music.org/"
 distfiles="https://github.com/hydrogen-music/hydrogen/archive/${version}.tar.gz"
 checksum=1e0f3d9eae901ef5f11a61e2a446b1d819f3b38e2476a2b382cc02dea693c2b7
 
-export CXXFLAGS="-std=gnu++11 -Wno-deprecated-register -fno-implement-inlines"
+if [ -n "$CROSS_BUILD" ]; then
+	hostmakedepends+=" qt-host-tools qt-devel"
+fi
+CXXFLAGS="-std=gnu++11 -Wno-deprecated-register -fno-implement-inlines"