diff --git a/scripts/install b/scripts/install
index 22a283c..a32496e 100755
--- a/scripts/install
+++ b/scripts/install
@@ -30,6 +30,20 @@ source /usr/share/yunohost/helpers
 # or 'example__2', '__3', ... for multi-instance installs)
 #
 
+#=================================================
+# RETRIEVE ARGUMENTS FROM THE MANIFEST
+#=================================================
+
+fpm_usage=low
+fpm_footprint=low
+
+#=================================================
+# STORE SETTINGS FROM MANIFEST
+#=================================================
+
+ynh_app_setting_set --app=$app --key=fpm_footprint --value=$fpm_footprint
+ynh_app_setting_set --app=$app --key=fpm_usage --value=$fpm_usage
+
 #=================================================
 # APP "BUILD" (DEPLOYING SOURCES, VENV, COMPILING ETC)
 #=================================================
@@ -66,7 +80,7 @@ ynh_script_progression --message="Adding system configurations related to $app..
 ###		- And the section "PHP-FPM CONFIGURATION" in the upgrade script
 
 # Create a dedicated PHP-FPM config using the conf/php-fpm.conf or conf/extra_php-fpm.conf
-ynh_add_fpm_config --usage=low --footprint=low
+ynh_add_fpm_config --usage=$fpm_usage --footprint=$fpm_footprint
 
 # Create a dedicated NGINX config using the conf/nginx.conf template
 ynh_add_nginx_config
diff --git a/scripts/upgrade b/scripts/upgrade
index d479921..4d96413 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -55,6 +55,21 @@ upgrade_type=$(ynh_check_app_version_changed)
 #	ynh_app_setting_set --app=$app --key=install_dir --value=$install_dir
 #fi
 
+### Use these functions if the package was released
+### without "php fpm footprint" and you are implementing it
+### Take values from 'install' script
+#If fpm_footprint doesn't exist, create it
+if [ -z "$fpm_footprint" ]; then
+	fpm_footprint=low
+	ynh_app_setting_set --app=$app --key=fpm_footprint --value=$fpm_footprint
+fi
+
+# If fpm_usage doesn't exist, create it
+if [ -z "$fpm_usage" ]; then
+	fpm_usage=low
+	ynh_app_setting_set --app=$app --key=fpm_usage --value=$fpm_usage
+fi
+
 #=================================================
 # STOP SYSTEMD SERVICE
 #=================================================
@@ -88,7 +103,7 @@ ynh_script_progression --message="Upgrading system configurations related to $ap
 
 # This should be a literal copypasta of what happened in the install's "System configuration" section
 
-ynh_add_fpm_config --usage=low --footprint=low
+ynh_add_fpm_config --usage=$fpm_usage --footprint=$fpm_footprint
 
 ynh_add_nginx_config