diff --git a/scripts/upgrade b/scripts/upgrade
index 19dd76a..6b3ea9a 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -23,6 +23,7 @@ is_public=$(ynh_app_setting_get $app is_public)
 final_path=$(ynh_app_setting_get $app final_path)
 db_name=$(ynh_app_setting_get $app db_name)
 db_pwd=$(ynh_app_setting_get $app mysqlpwd)
+password=$(ynh_app_setting_get $app password)
 master_key=$(ynh_app_setting_get $app master_key)
 
 skipped_uris=$(ynh_app_setting_get $app skipped_uris)
@@ -66,6 +67,11 @@ if [ ! -z $protected_uris ]; then
 	ynh_app_setting_delete $app protected_uris
 fi
 
+# If password exists, remove it
+if [ ! -z $password ]; then
+	ynh_app_setting_delete $app password
+fi
+
 #=================================================
 # BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
 #=================================================