diff --git a/opam b/opam
index fedc35ddc369ad48788e98ff3da7ddb35a81dbbe..7ea652e166d0055483e4878b6a233f8bb17eb773 100644
--- a/opam
+++ b/opam
@@ -98,7 +98,7 @@ build: [
 
 install: [
   [make
-   "PREFIX=%{prefix}%" "MANDIR=%{man}%"
+   "RELEASE=yes" "PREFIX=%{prefix}%" "MANDIR=%{man}%"
    "DOCDIR=%{doc}%" { with-doc }
    "install"
   ]