diff --git a/srcpkgs/dtrx/template b/srcpkgs/dtrx/template
index a511a2f6f0..173b04d482 100644
--- a/srcpkgs/dtrx/template
+++ b/srcpkgs/dtrx/template
@@ -12,3 +12,8 @@ homepage="https://github.com/dtrx-py/dtrx/"
 distfiles="https://github.com/dtrx-py/dtrx/archive/${version}.tar.gz"
 checksum=fb57a3cf334b2d03b4ab723c04f21c4a102cbbaeb179cf443eafb325e59a47e4
 make_check=no # Tests require docker
+
+pre_build() {
+	# https://github.com/dtrx-py/dtrx/issues/45
+	vsed -e '/platform==unsupported;platform_system=="Windows"/d' -i setup.cfg
+}