diff --git a/_distributions/archlinux/install_depext.sh b/_distributions/archlinux/install_depext.sh
index dc4e3188d8cc9aef840feb8ade657e83305cee09..425a53408974ba3eea453ed671e90313678877b9 100755
--- a/_distributions/archlinux/install_depext.sh
+++ b/_distributions/archlinux/install_depext.sh
@@ -2,4 +2,4 @@
 set -ex
 # opam: Sorry, don't know how to install packages on your arch system
 #packages=`cat package_list`
-#opam depext --yes $packages
+#opam depext --yes --with-test $packages
diff --git a/_distributions/debian/install_depext.sh b/_distributions/debian/install_depext.sh
index c084bdbfde0597a11f789577853a28d6257a8700..e8f912e55a8f4fb58e358f9b915f80a944975063 100755
--- a/_distributions/debian/install_depext.sh
+++ b/_distributions/debian/install_depext.sh
@@ -2,4 +2,4 @@
 set -ex
 packages=`cat package_list`
 sudo apt-get update
-opam depext --yes $packages
+opam depext --yes --with-test $packages