diff --git a/scripts/upgrade b/scripts/upgrade
index 9029dfd..c9e0414 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -21,6 +21,7 @@ path_url=$(ynh_app_setting_get --app=$app --key=path)
 admin=$(ynh_app_setting_get --app=$app --key=admin)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 db_name=$(ynh_app_setting_get --app=$app --key=db_name)
+db_user=$db_name
 user_home=$(ynh_app_setting_get --app=$app --key=user_home)
 phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
 
@@ -246,6 +247,10 @@ then
     exec_occ -V
 
     if [ "$(exec_occ config:system:get mysql.utf8mb4)" != "true" ]; then
+        db_pwd=$(ynh_app_setting_get --app=$app --key=mysqlpwd)
+        # Change your databases character set and collation
+        ynh_mysql_connect_as --user=$db_user --password="$db_pwd" --database=$db_name \
+        <<< "ALTER DATABASE $db_name CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;"
         # Set the mysql.utf8mb4 config to true in config.php
         exec_occ config:system:set mysql.utf8mb4 --type boolean --value="true"
         exec_occ maintenance:repair