diff --git a/scripts/upgrade b/scripts/upgrade
index 3d6e3e3..bfbd261 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -42,7 +42,7 @@ 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="$install_dir"
+	ynh_setup_source --dest_dir="$install_dir" --full_replace=1
 	echo "$(ynh_app_upstream_version)" > "$install_dir/version_static.txt"
 fi