diff --git a/srcpkgs/opam/template b/srcpkgs/opam/template
index 4c10be955ba..7056bad50bf 100644
--- a/srcpkgs/opam/template
+++ b/srcpkgs/opam/template
@@ -1,7 +1,7 @@
 # Template file for 'opam'
 pkgname=opam
 version=1.2.2
-revision=4
+revision=5
 build_style=gnu-configure
 disable_parallel_build=yes
 make_build_args="lib-ext all"
@@ -16,4 +16,4 @@ homepage="http://opam.ocamlpro.com"
 distfiles="https://github.com/ocaml/${pkgname}/archive/${version}.tar.gz"
 checksum=3e4a05df6ff8deecba019d885ebe902eb933acb6e2fc7784ffee1ee14871e36a
 nocross=yes
-#export OCAMLPARAM="safe-string=0,_"
+export OCAMLPARAM="safe-string=0,_"