diff --git a/opam b/opam
index fd1228c8..5f41d166 100644
--- a/opam
+++ b/opam
@@ -4,6 +4,7 @@ maintainer: "simon.cruanes@inria.fr"
 build: [
     ["./configure" "--prefix" prefix "--disable-thread" "--disable-bench"
         "--disable-tests" "--%{lwt:enable}%-lwt"
+        "--%{base-bigarray:enable}%-bigarray"
         "--enable-docs" "--enable-misc"]
     [make "build"]
 ]