diff --git a/dev-python/pyeclib/pyeclib-1.6.4.ebuild b/dev-python/pyeclib/pyeclib-1.6.4.ebuild
index 3fbc87f882b49..30f0452a3b006 100644
--- a/dev-python/pyeclib/pyeclib-1.6.4.ebuild
+++ b/dev-python/pyeclib/pyeclib-1.6.4.ebuild
@@ -27,6 +27,8 @@ RDEPEND="
 "
 BDEPEND="
 	test? (
+		dev-libs/isa-l
+		dev-libs/jerasure
 		dev-python/six[${PYTHON_USEDEP}]
 	)
 "
@@ -40,5 +42,6 @@ src_prepare() {
 }
 
 pkg_postinst() {
+	optfeature "isa-l backend" dev-libs/isa-l
 	optfeature "jerasure backend" dev-libs/jerasure
 }