diff --git a/README.md b/README.md
index 4007b2f..56bde04 100644
--- a/README.md
+++ b/README.md
@@ -40,6 +40,10 @@ To install and configure it:
 
 *NB: OnlyOffice is only available for x86 architecture - **ARM** architecture is **not** supported (Raspberry Pi, OLinuXino...)*
 
+#### High Performance Backend
+
+This is an application on Nextcloud that should speed up the instance, more information here: https://github.com/nextcloud/notify_push#about
+
 ## YunoHost specific features
 
 In addition to Nextcloud core features, the following are made available with
diff --git a/README_fr.md b/README_fr.md
index aee7890..84f4cc2 100644
--- a/README_fr.md
+++ b/README_fr.md
@@ -36,6 +36,10 @@ Pour l'installer et la configurer :
     
 *NB : OnlyOffice n'est disponible que sous architecture x86 - L'architecture **ARM** n'est **pas** supporté (Raspberry Pi, OLinuXino...)*
 
+#### Backend Hautes Performances
+
+Il s'agit d'une application sur nextcloud qui devrait accélérer l'instance, plus d'informations ici: https://github.com/nextcloud/notify_push#about
+
 ## Caractéristiques spécifiques YunoHost
 
 En plus des fonctionnalités principales de Nextcloud, les fonctionnalités suivantes sont incluses dans ce package :
diff --git a/scripts/install b/scripts/install
index 9a421aa..a236eac 100755
--- a/scripts/install
+++ b/scripts/install
@@ -373,7 +373,7 @@ ynh_systemd_action --service_name=nginx --action=reload
 
 if [ $use_notify_push -eq 1 ]
 then
-    if ! ynh_exec_as "$app" nextcloud php7.3 $final_path/occ notify_push:self-test; then
+    if ! ynh_exec_as "$app" php${phpversion} $final_path/occ notify_push:self-test; then
         ynh_print_warn --message="High Performance Backend is not working correctly, try to repair it or contact YNH support."
     fi
 fi
diff --git a/scripts/restore b/scripts/restore
index 1b160ba..c62a6e4 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -200,7 +200,7 @@ ynh_systemd_action --service_name=nginx --action=reload
 
 if [ $use_notify_push -eq 1 ]
 then
-    if ! ynh_exec_as "$app" nextcloud php7.3 $final_path/occ notify_push:self-test; then
+    if ! ynh_exec_as "$app" php${phpversion} $final_path/occ notify_push:self-test; then
         ynh_print_warn --message="High Performance Backend is not working correctly, try to repair it or contact YNH support."
     fi
 fi
diff --git a/scripts/upgrade b/scripts/upgrade
index d0c8226..45b6dec 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -504,7 +504,7 @@ ynh_systemd_action --service_name="php${phpversion}-fpm" --action=reload
 
 if [ $use_notify_push -eq 1 ]
 then
-    if ! ynh_exec_as "$app" nextcloud php7.3 $final_path/occ notify_push:self-test; then
+    if ! ynh_exec_as "$app" php${phpversion} $final_path/occ notify_push:self-test; then
         ynh_print_warn --message="High Performance Backend is not working correctly, try to repair it or contact YNH support."
     fi
 fi