diff --git a/srcpkgs/python-Cheroot/template b/srcpkgs/python-Cheroot/template
index 0c339ecfac..508d0a5486 100644
--- a/srcpkgs/python-Cheroot/template
+++ b/srcpkgs/python-Cheroot/template
@@ -22,6 +22,7 @@ pre_build() {
 		-e '/setuptools_scm/d' \
 		-e '/setuptools_scm_git_archive/d' \
 		-e '/use_scm_version/d' \
+		-e '/backports.*/s/$/;python_version<"3.4"/' \  # not needed on python3
 		-e "/name = /a\
 		version = ${version}"
 }