diff --git a/srcpkgs/grass/template b/srcpkgs/grass/template
index c7537ee7cc1..bccd691a811 100644
--- a/srcpkgs/grass/template
+++ b/srcpkgs/grass/template
@@ -17,6 +17,7 @@ license="GPL-2.0-or-later"
 homepage="https://grass.osgeo.org/"
 distfiles="https://grass.osgeo.org/grass${_binver}/source/${pkgname}-${version}.tar.gz"
 checksum=9e25c99cafd16ed8f5e2dca75b5a10dc2af0568dbedf3fc39f1c5a0a9c840b0b
+python_version=2 #unverified
 nocross="tries to execute target binaries"
 
 post_install() {