diff --git a/.travis.yml b/.travis.yml
index 1aa643d..ca74061 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,7 +6,8 @@ install: wget https://raw.githubusercontent.com/ocaml/ocaml-ci-scripts/master/.t
 script: bash ./.travis-docker.sh
 env:
  global:
-   - PACKAGE="depextx"
+   - PACKAGE="depext"
+   - PRE_INSTALL_HOOK
    - POST_INSTALL_HOOK="opam depext --version && opam depext -ui ssl && opam depext -ui -j 2 -y -v pcre"
  matrix:
    - DISTRO=debian-stable OCAML_VERSION=4.00.1
@@ -14,8 +15,9 @@ env:
    - DISTRO=debian-unstable OCAML_VERSION=4.02.3
    - DISTRO=ubuntu-12.04 OCAML_VERSION=4.02.3
    - DISTRO=ubuntu-16.04 OCAML_VERSION=4.03.0
+   - DISTRO=ubuntu-17.04 OCAML_VERSION=4.03.0
    - DISTRO=centos-6 OCAML_VERSION=4.01.0
-   - DISTRO=centos-7 OCAML_VERSION=4.04.0
-   - DISTRO=fedora-24 OCAML_VERSION=4.04.0
+   - DISTRO=centos-7 OCAML_VERSION=4.04.2
+   - DISTRO=fedora-25 OCAML_VERSION=4.04.2
    - DISTRO=alpine OCAML_VERSION=4.05.0
-   - DISTRO=opensuse-42.2 OCAML_VERSION=4.04.0
+   - DISTRO=opensuse-42.2 OCAML_VERSION=4.04.2
diff --git a/CHANGES b/CHANGES
index 081ee6e..d66e97e 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,7 @@
+1.0.6 (2017-07-24):
+* Really fix Zypper non-interactive installation by passing
+  parameters in the right order (#68 by @jpdeplaix).
+
 1.0.5 (2017-07-20):
 * Pass `--non-interactive` to zypper on OpenSUSE (#67 #62 by
   @yallop and @jpdeplaix)
diff --git a/depext.ml b/depext.ml
index bcf2ba6..196523d 100644
--- a/depext.ml
+++ b/depext.ml
@@ -372,7 +372,7 @@ let update ~su ~interactive os distribution =
   let cmd = update_command distribution in
   match sudo_run_command ~su ~interactive os distribution cmd with
   | Unix.WEXITED 0 ->
-    Printf.printf "# OS package update successful\n%!"
+    Printf.eprintf "# OS package update successful\n%!"
   | _ -> fatal_error "OS package update failed"
 
 let install ~su ~interactive os distribution = function
@@ -388,7 +388,7 @@ let install ~su ~interactive os distribution = function
           is_success (sudo_run_command ~su ~interactive os distribution cmd))
         true cmds
     in
-    if ok then Printf.printf "# OS packages installation successful\n%!"
+    if ok then Printf.eprintf "# OS packages installation successful\n%!"
     else fatal_error "OS package installation failed"
 
 let run_source_scripts = function
@@ -408,7 +408,7 @@ let run_source_scripts = function
         | Unix.WEXITED 0 -> ()
         | _ -> fatal_error "Command %S failed" cmd)
       commands;
-    Printf.printf "Source installation scripts run successfully\n%!"
+    Printf.eprintf "Source installation scripts run successfully\n%!"
 
 
 (* Command-line handling *)
@@ -423,18 +423,20 @@ let main print_flags list short no_sources
   let flags = archflags arch @ osflags os @ distrflags distribution in
   if print_flags then
     (if short then List.iter print_endline flags else
-       Printf.printf "# Depexts flags detected on this system: %s\n"
+       Printf.eprintf "# Depexts flags detected on this system: %s\n"
          (String.concat " " flags);
      exit 0);
   if not short then
-    Printf.printf "# Detecting depexts using flags: %s\n%!"
+    Printf.eprintf "# Detecting depexts using flags: %s\n%!"
       (String.concat " " flags);
   let os_packages = depexts flags opam_packages in
   if os_packages <> [] && not short then
-    Printf.printf "# The following system packages are needed:\n#  - %s\n%!"
-      (String.concat "\n#  - " os_packages)
+    begin
+      prerr_endline "# The following system packages are needed:";
+      Printf.printf "%s\n%!" (String.concat "\n" os_packages)
+    end
   else if list && not short then
-    print_endline "# No required system packages found";
+    prerr_endline "# No required system packages found";
   if list then exit 0;
   let source_urls =
     if no_sources then [] else
@@ -442,10 +444,10 @@ let main print_flags list short no_sources
         (depexts (sourceflags @ flags) opam_packages)
   in
   if source_urls <> [] && not short then
-    Printf.printf "# The following scripts need to be run:\n#  - %s\n%!"
+    Printf.eprintf "# The following scripts need to be run:\n#  - %s\n%!"
       (String.concat "\n#  - " source_urls);
   if os_packages = [] && source_urls = [] && not short then
-    Printf.printf "# No extra OS packages requirements found.\n%!";
+    Printf.eprintf "# No extra OS packages requirements found.\n%!";
   let installed = get_installed_packages distribution os_packages in
   let os_packages =
     List.filter (fun p -> not (List.mem p installed)) os_packages
@@ -455,11 +457,11 @@ let main print_flags list short no_sources
      List.iter print_endline source_urls)
   else if installed <> [] then
     if os_packages <> [] then
-      Printf.printf
+      Printf.eprintf
         "# The following new OS packages need to be installed: %s\n%!"
         (String.concat " " os_packages)
     else
-      Printf.printf
+      Printf.eprintf
         "# All required OS packages found.\n%!";
   if dryrun_arg then exit (if os_packages = [] then 0 else 1);
   let su = su_arg || not (has_command "sudo") in
@@ -473,7 +475,7 @@ let main print_flags list short no_sources
   run_source_scripts source_urls;
   let opam_cmdline = "opam"::"install":: opam_args @ opam_packages in
   if install_arg && opam_packages <> [] then begin
-    (if not short then Printf.printf "# Now letting OPAM install the packages\n%!");
+    (if not short then Printf.eprintf "# Now letting OPAM install the packages\n%!");
     (if !debug then Printf.eprintf "+ %s\n%!" (String.concat " " opam_cmdline));
     Unix.execvp "opam" (Array.of_list opam_cmdline)
   end
@@ -590,7 +592,7 @@ let command =
         no_sources_arg $ debug_arg $ install_arg $ update_arg $ dryrun_arg $
         su_arg $ interactive_arg $ opam_args $
         packages_arg),
-  Term.info "opam-depext" ~version:"1.0.5+dev" ~doc ~man
+  Term.info "opam-depext" ~version:"1.0.6" ~doc ~man
 
 let () =
   Sys.catch_break true;