diff --git a/dev-python/standardwebhooks/standardwebhooks-1.0.1.ebuild b/dev-python/standardwebhooks/standardwebhooks-1.0.1.ebuild
index 8bfeaa2f0b..bd06dccfd9 100644
--- a/dev-python/standardwebhooks/standardwebhooks-1.0.1.ebuild
+++ b/dev-python/standardwebhooks/standardwebhooks-1.0.1.ebuild
@@ -21,3 +21,11 @@ KEYWORDS="~amd64 ~arm64"
 
 EPYTEST_PLUGINS=()
 distutils_enable_tests pytest
+
+src_prepare() {
+	distutils-r1_src_prepare
+
+	# fix build backend
+	# https://bugs.gentoo.org/979160
+	sed -i "/^build-backend = /s/:__legacy__//" pyproject.toml || die
+}