diff --git a/dev-ml/seq/seq-0.1.ebuild b/dev-ml/seq/seq-0.1.ebuild
index a78bce9693ed3..36b44f74c5aaa 100644
--- a/dev-ml/seq/seq-0.1.ebuild
+++ b/dev-ml/seq/seq-0.1.ebuild
@@ -13,7 +13,8 @@ KEYWORDS="amd64 x86"
 IUSE=""
 
 DEPEND="dev-ml/findlib
-	dev-ml/ocamlbuild"
+	dev-ml/ocamlbuild
+	dev-lang/ocaml[ocamlopt]"
 RDEPEND="${DEPEND}"
 BDEPEND=""