diff --git a/scripts/_common.sh b/scripts/_common.sh
index c3807fc..0ad910a 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -13,31 +13,3 @@ STATPING_VERSION="0.90.80"
 get_ip() {
   curl ip.me
 }
-# inspired by restic helper
-install_statping () {
-  architecture=$(uname -m)
-  arch=''
-  case $architecture in
-    i386|i686)
-      arch="386"
-      ;;
-    x86_64)
-      arch=amd64
-      ;;
-    armv*)
-      arch=arm-7
-      ;;
-    aarch64)
-      arch=arm64
-      ;;
-    *)
-      echo
-      ynh_die --message="Unsupported architecture \"$architecture\""
-      ;;
-  esac
-  wget https://github.com/statping-ng/statping-ng/releases/download/v$STATPING_VERSION/statping-linux-$arch.tar.gz 2>&1 >/dev/null
-  tar zxf statping-linux-$arch.tar.gz
-  rm statping-linux-$arch.tar.gz
-  chmod +x statping
-}
-
diff --git a/scripts/change_url b/scripts/change_url
index 63cd06e..934fa58 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -28,10 +28,10 @@ ynh_change_url_nginx_config
 #==================================================
 # Change config file
 #==================================================
-ynh_script_progression --message="Modifying configuration file…" --weight=1
+ynh_script_progression --message="Modifying configuration file..." --weight=1
 
 #ynh_delete_file_checksum --file="$install_dir/.env"
-#ynh_add_config --template="../conf/.env" --destination="$install_dir/.env"
+#ynh_add_config --template=".env" --destination="$install_dir/.env"
 
 sed -i "/DOMAIN=/c\DOMAIN=https://${new_domain}" $install_dir/.env
 
diff --git a/scripts/upgrade b/scripts/upgrade
index f1cc9a6..ed896b0 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -30,16 +30,15 @@ ynh_systemd_action --service_name=$app --action="stop" --log_path="/var/log/$app
 
 if [ "$upgrade_type" == "UPGRADE_APP" ]
 then
-	ynh_script_progression --message="Upgrading source files..." --weight=1
+    ynh_script_progression --message="Upgrading source files..." --weight=1
 
-	# Download, check integrity, uncompress and patch the source from app.src
-    pushd "$install_dir"
-        install_statping
-    popd
+    # Download, check integrity, uncompress and patch the source from app.src
+    ynh_setup_source --dest_dir="$install_dir"
 fi
 
 chmod -R o-rwx "$install_dir"
 chown -R $app:$app "$install_dir"
+chmod +x $install_dir/statping
 
 #=================================================
 # NGINX CONFIGURATION