diff --git a/scripts/upgrade b/scripts/upgrade
index cf0d6ae..524e36a 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -9,29 +9,16 @@
 source _common.sh
 source /usr/share/yunohost/helpers
 
-#=================================================
-# CHECK VERSION
-#=================================================
-
-upgrade_type=$(ynh_check_app_version_changed)
-
-#=================================================
-# STANDARD UPGRADE STEPS
-#=================================================
-
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
+ynh_script_progression --message="Upgrading source files..." --weight=1
 
-if [ "$upgrade_type" == "UPGRADE_APP" ]; then
-    ynh_script_progression --message="Upgrading source files..." --weight=1
-
-    # Download, check integrity, uncompress and patch the source from app.src
-    ynh_setup_source --dest_dir="$install_dir" --full_replace=1 --keep="config.json"
-fi
+# Download, check integrity, uncompress and patch the source from app.src
+ynh_setup_source --dest_dir="$install_dir" --full_replace=1 --keep="config.json"
 
 chmod -R o-rwx "$install_dir"
-chown -R $app:www-data "$install_dir"
+chown -R "$app:www-data" "$install_dir"
 
 #=================================================
 # NGINX CONFIGURATION