diff --git a/install_newt.sh b/install_newt.sh
index c830ab6..53a8dc2 100644
--- a/install_newt.sh
+++ b/install_newt.sh
@@ -44,12 +44,14 @@ download_newt() {
 
   url="https://github.com/${REPO}/releases/download/${version}/${file}"
   target="${INSTALL_DIR}/newt_${version}"
+  temp_target="${target}.tmp"
 
   mkdir -p "$INSTALL_DIR"
   info "⬇️ Lade $url herunter …"
-  curl -fsSL "$url" -o "$target" || { error "Download fehlgeschlagen."; exit 1; }
+  curl -fsSL "$url" -o "$temp_target" || { error "Download fehlgeschlagen."; rm -f "$temp_target"; exit 1; }
 
-  chmod +x "$target"
+  chmod +x "$temp_target"
+  mv "$temp_target" "$target"
   ln -sf "$target" "$SYMLINK"
   info "✅ newt ${version} installiert als ${target}"
 }
@@ -137,7 +139,6 @@ perform_reinstall() {
   info "📦 Neueste Version: ${version}"
   download_newt "$version"
   cleanup_old_versions
-  sudo systemctl stop "$SERVICE_NAME" || true
   sudo rm -f "$SERVICE_FILE" || true
   setup_systemd_service
   info "🚀 Reinstallation abgeschlossen!"
@@ -159,4 +160,4 @@ main() {
   esac
 }
 
-main "$@"
\ No newline at end of file
+main "$@"