diff --git a/conf/config.json b/conf/config.json
index 0696f97..35902ef 100644
--- a/conf/config.json
+++ b/conf/config.json
@@ -144,7 +144,7 @@
   },
   "SqlSettings": {
     "DriverName": "mysql",
-    "DataSource": "__DB_NAME__:__DB_PASS__@tcp(127.0.0.1:3306)/__DB_NAME__?charset=utf8mb4,utf8&readTimeout=30s&writeTimeout=30s",
+    "DataSource": "mysql://__DB_NAME__:__DB_PASS__@tcp(127.0.0.1:3306)/__DB_NAME__?charset=utf8mb4,utf8&readTimeout=30s&writeTimeout=30s",
     "DataSourceReplicas": [],
     "DataSourceSearchReplicas": [],
     "MaxIdleConns": 20,
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 52491aa..bbb46c4 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -18,3 +18,17 @@ pkg_dependencies="postgresql apt-transport-https"
 #=================================================
 # FUTURE OFFICIAL HELPERS
 #=================================================
+
+# Execute a command as another user
+# usage: ynh_exec_as USER COMMAND [ARG ...]
+ynh_exec_as() {
+  local USER=$1
+  shift 1
+
+  if [[ $USER = $(whoami) ]]; then
+    eval "$@"
+  else
+    sudo -u "$USER" "$@"
+  fi
+}
+
diff --git a/scripts/install b/scripts/install
index 8424ee4..7a37769 100644
--- a/scripts/install
+++ b/scripts/install
@@ -47,9 +47,11 @@ ynh_script_progression --message="Storing installation settings..." --time --wei
 
 ynh_app_setting_set --app=$app --key=domain --value=$domain
 ynh_app_setting_set --app=$app --key=path --value=$path_url
-ynh_app_setting_set --app=$app --key=team_display_name --value=$team_display_name
 ynh_app_setting_set --app=$app --key=is_public --value=$is_public
+ynh_app_setting_set --app=$app --key=admin_email --value=$admin_email
+ynh_app_setting_set --app=$app --key=admin_password --value=$admin_password
 ynh_app_setting_set --app=$app --key=language --value=$language
+ynh_app_setting_set --app=$app --key=team_display_name --value=$team_display_name
 
 #=================================================
 # FIND AN AVAILABLE PORT
@@ -131,13 +133,27 @@ ynh_replace_string --match_string="__LOG__" --replace_string="$logs_path" --targ
 
 ynh_store_file_checksum --file="$final_path/config/config.json"
 
+#=================================================
+# CREATE ADMIN AND FIRST TEAM
+#=================================================
+
+admin_username=$(cut -d @ -f 1 <<< "$admin_email")
+team_name=$(echo "$team_display_name" | iconv -f utf8 -t ascii//TRANSLIT//IGNORE | sed -e 's/[^[:alnum:]]/-/g' | tr -s '-' | tr A-Z a-z)
+
+pushd "$final_path"
+	ynh_exec_as $app ./mattermost user create --username "$admin_username" --email "$admin_email" --password "$admin_password" --locale "$language" --system_admin
+	ynh_exec_as $app ./mattermost user verify "$admin_username"
+	ynh_exec_as $app ./mattermost team create --name "$team_name" --display_name "$team_display_name" --email "$admin_email"
+	ynh_exec_as $app ./mattermost team add "$team_name" "$admin_username"
+popd
+
 #=================================================
 # SECURE FILES AND DIRECTORIES
 #=================================================
 
 chown -R $app: $final_path
 chown -R $app: $data_path
-chown -R $app:adm $logs_path
+chown -R $app: $logs_path
 chmod -R g+w $final_path
 
 #=================================================
@@ -189,18 +205,7 @@ ynh_script_progression --message="Reloading NGINX web server..." --weight=2
 ynh_systemd_action --service_name=nginx --action=reload
 
 #=================================================
-# CREATE ADMIN AND FIRST TEAM
+# END OF SCRIPT
 #=================================================
 
-admin_username=$(cut -d @ -f 1 <<< "$admin_email")
-team_name=$(echo "$team_display_name" | iconv -f utf8 -t ascii//TRANSLIT//IGNORE | sed -e 's/[^[:alnum:]]/-/g' | tr -s '-' | tr A-Z a-z)
-
-cd "$final_path/bin"
-./mattermost user create --username "$admin_username" --email "$admin_email" --password "$admin_password" --locale "$language" --system_admin
-./mattermost user verify "$admin_username"
-./mattermost team create --name "$team_name" --display_name "$team_display_name" --email "$admin_email"
-./mattermost team add "$team_name" "$admin_username"
-
-ynh_app_setting_set "$app" admin_email "$admin_email"
-ynh_app_setting_set "$app" language "$language"
-ynh_app_setting_set "$app" team_name "$team_name"
+ynh_script_progression --message="Upgrade of $app completed"