diff --git a/scripts/upgrade b/scripts/upgrade
index e80ded4..3d3cb15 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -22,7 +22,7 @@ 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="$install_dir/sources"
+	ynh_setup_source --dest_dir="$install_dir/sources" --full_replace=1
 fi
 
 chown -R $app:www-data "$install_dir"