diff --git a/scripts/_common.sh b/scripts/_common.sh
index e7573b8..e3f56d2 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -29,11 +29,11 @@ fi
 fabmanager_build_ruby() {
     pushd "$install_dir"
         ynh_use_ruby
-        ynh_exec_warn_less $ynh_gem install "bundler:$bundler_version"
-        ynh_exec_warn_less bin/bundle config --global frozen 1
-        ynh_exec_warn_less bin/bundle config set --local without 'development test doc'
-        ynh_exec_warn_less bin/bundle install
-        ynh_exec_warn_less bin/bundle binstubs --all
+        ynh_exec_warn_less ynh_exec_as "$app" $ynh_gem install "bundler:$bundler_version"
+        ynh_exec_warn_less ynh_exec_as "$app" bin/bundle config --global frozen 1
+        ynh_exec_warn_less ynh_exec_as "$app" bin/bundle config set --local without 'development test doc'
+        ynh_exec_warn_less ynh_exec_as "$app" bin/bundle install
+        ynh_exec_warn_less ynh_exec_as "$app" bin/bundle binstubs --all
     popd
 }