diff --git a/dev-python/libpy_simdjson/libpy_simdjson-0.4.0.ebuild b/dev-python/libpy_simdjson/libpy_simdjson-0.4.0.ebuild
index 16a497808290f..dc4f3b4d7dd4b 100644
--- a/dev-python/libpy_simdjson/libpy_simdjson-0.4.0.ebuild
+++ b/dev-python/libpy_simdjson/libpy_simdjson-0.4.0.ebuild
@@ -29,5 +29,7 @@ python_prepare_all() {
 	# benchmark tests have extra dependencies
 	rm libpy_simdjson/tests/test_benchmark.py || die
 
+	sed -e 's:werror=True:werror=False:' -i setup.py || die
+
 	distutils-r1_python_prepare_all
 }