diff --git a/scripts/_common.sh b/scripts/_common.sh
index d970f80..6ed0daf 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -16,19 +16,21 @@ mysql-to-pg() {
 	if mysqlshow | grep -q "^| $db_name "; then
 
 		ynh_script_progression --message="Migrating to PostgreSQL database..." --weight=10
+		
+		db_name=$(ynh_sanitize_dbid --db_name=$app)
+		db_user=$db_name
+		db_pwd=$(ynh_app_setting_get --app=$app --key=mysqlpwd)
 
-		mysql_db_pwd=$(ynh_app_setting_get --app=$app --key=mysqlpwd)
-
-		db_pwd=$(ynh_string_random --length=24)
-		ynh_app_setting_set --app=$app --key=db_pwd --value=$db_pwd
+		postgresql_db_pwd=$(ynh_string_random --length=24)
+		ynh_app_setting_set --app=$app --key=postgresql_db_pwd --value=$postgresql_db_pwd
 		ynh_psql_test_if_first_run
 		ynh_psql_setup_db --db_user=$db_user --db_name=$db_name --db_pwd=$db_pwd
 
 		# Migrating from MySQL to PostgreSQL
-		pgloader mysql://mattermost:$mysql_db_pwd@localhost:3306/mattermost postgresql://mattermost:$db_pwd@localhost:5432/mattermost
+		pgloader mysql://mattermost:$db_pwd@localhost:3306/mattermost postgresql://mattermost:$postgresql_db_pwd@localhost:5432/mattermost
 		
 		ynh_replace_string --match_string="\"DriverName\":*," --replace_string="\"DriverName\": \"postgres\"," --target_file="$final_path/config/config.json"
-		ynh_replace_string --match_string="\"DataSource\":*," --replace_string="\"DataSource\": \"postgres://$db_user:$db_pwd@localhost:5432/$db_name?sslmode=disable&connect_timeout=10\"," --target_file="$final_path/config/config.json"
+		ynh_replace_string --match_string="\"DataSource\":*," --replace_string="\"DataSource\": \"postgres://$db_user:$postgresql_db_pwd@localhost:5432/$db_name?sslmode=disable&connect_timeout=10\"," --target_file="$final_path/config/config.json"
 
 		# Removinging MySQL database
 		ynh_mysql_remove_db --db_user=$db_user --db_name=$db_name