diff --git a/scripts/install b/scripts/install
index fa65c51..df908e4 100644
--- a/scripts/install
+++ b/scripts/install
@@ -67,6 +67,7 @@ db_name=$(ynh_sanitize_dbid --db_name=$app)
 db_user=$db_name
 ynh_app_setting_set --app=$app --key=db_name --value=$db_name
 ynh_mysql_setup_db --db_user=$db_user --db_name=$db_name
+ynh_mysql_execute_as_root --sql="ALTER DATABASE $db_name CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;"
 
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
diff --git a/scripts/restore b/scripts/restore
index a5dc5a5..4becee4 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -85,6 +85,7 @@ ynh_print_info --message="Restoring the MySQL database..."
 
 db_pwd=$(ynh_app_setting_get --app=$app --key=mysqlpwd)
 ynh_mysql_setup_db --db_user=$db_user --db_name=$db_name --db_pwd=$db_pwd
+ynh_mysql_execute_as_root --sql="ALTER DATABASE $db_name CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;"
 ynh_mysql_connect_as --user=$db_user --password=$db_pwd --database=$db_name < ./db.sql
 
 #=================================================