diff --git a/scripts/upgrade b/scripts/upgrade
index 504b079..cf0d6ae 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -23,12 +23,11 @@ upgrade_type=$(ynh_check_app_version_changed)
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
 
-if [ "$upgrade_type" == "UPGRADE_APP" ]
-then
-	ynh_script_progression --message="Upgrading source files..." --weight=1
+if [ "$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="$install_dir" --keep="config.json"
+    # Download, check integrity, uncompress and patch the source from app.src
+    ynh_setup_source --dest_dir="$install_dir" --full_replace=1 --keep="config.json"
 fi
 
 chmod -R o-rwx "$install_dir"