diff --git a/dev-libs/libvoikko/libvoikko-4.2.ebuild b/dev-libs/libvoikko/libvoikko-4.2.ebuild
index a376a0f4e3a88..7bdff963650d9 100644
--- a/dev-libs/libvoikko/libvoikko-4.2.ebuild
+++ b/dev-libs/libvoikko/libvoikko-4.2.ebuild
@@ -16,6 +16,8 @@ KEYWORDS="~amd64 ~x86"
 
 IUSE="+expvfst +hfst"
 
+REQUIRED_USE="${PYTHON_REQUIRED_USE}"
+
 RESTRICT="test"
 
 DEPEND="${PYTHON_DEPS}