diff --git a/dev-python/oslo-serialization/oslo-serialization-2.13.0.ebuild b/dev-python/oslo-serialization/oslo-serialization-2.13.0.ebuild
index 36cd8f25ad360..2b123ea9e7c41 100644
--- a/dev-python/oslo-serialization/oslo-serialization-2.13.0.ebuild
+++ b/dev-python/oslo-serialization/oslo-serialization-2.13.0.ebuild
@@ -49,6 +49,7 @@ RDEPEND="
 
 python_prepare_all() {
 	use doc && esetup.py build_sphinx
+	distutils-r1_python_prepare_all
 }
 
 # Note: Tests fail due to requiring installation.