diff --git a/src/app/page.tsx b/src/app/page.tsx
index 4caa847..1f3d30a 100644
--- a/src/app/page.tsx
+++ b/src/app/page.tsx
@@ -1,6 +1,6 @@
 'use client';
 
-import React, { useState, useEffect } from 'react';
+import React, { useState, useEffect, useRef } from 'react';
 import { NewsletterCampaign, NewsletterModule, ProductItem, BadgeTemplate } from '@/types/newsletter';
 import { DEFAULT_CAMPAIGN, SUPABASE_ASSETS_BASE, ensureValidityBar } from '@/lib/defaultCampaign';
 import { renderEmailHtml, renderSingleModuleHtml, getCampaignValidity } from '@/lib/emailRenderer';
@@ -124,6 +124,12 @@ export default function Home() {
     return [...topMods, ...middleMods, ...flyerMods, ...recipeMods, ...footerMods];
   };
 
+  // Auto-save sa spustí až po načítaní kampane z databázy. Inak by sa pri pomalšom načítaní
+  // predvolená kampaň uložila ako nová kópia a ďalšie zmeny by sa ukladali do nej.
+  const [isLoaded, setIsLoaded] = useState(false);
+  // Prebiehajúce vloženie novej kampane – kým nemáme jej id, ďalšie vloženie by vytvorilo duplikát
+  const insertInFlight = useRef(false);
+
   // Načítanie existujúceho draftu z databázy pri štarte
   useEffect(() => {
     async function loadInitial() {
@@ -136,7 +142,7 @@ export default function Home() {
 
         if (data && data.length > 0) {
           const dbItem = data[0];
-          if (dbItem.data && dbItem.data.modules && dbItem.data.modules.length >= 7) {
+          if (Array.isArray(dbItem.data?.modules) && dbItem.data.modules.length > 0) {
             setCampaign({
               id: dbItem.id,
               title: dbItem.title,
@@ -152,6 +158,8 @@ export default function Home() {
         }
       } catch (err) {
         console.error('Error loading template from Supabase:', err);
+      } finally {
+        setIsLoaded(true);
       }
     }
     loadInitial();
@@ -159,10 +167,13 @@ export default function Home() {
 
   // Auto-save s debounce (1 sekunda)
   useEffect(() => {
+    if (!isLoaded) return;
     const timer = setTimeout(async () => {
+      if (!campaign.id && insertInFlight.current) return;
       setIsSaving(true);
       try {
         if (!campaign.id) {
+          insertInFlight.current = true;
           const { data } = await supabase
             .from('templates')
             .insert([
@@ -178,7 +189,8 @@ export default function Home() {
             .select();
 
           if (data && data.length > 0) {
-            setCampaign((prev) => ({ ...prev, id: data[0].id }));
+            // id nastavíme len ak medzitým nebola otvorená iná kampaň
+            setCampaign((prev) => (prev.id ? prev : { ...prev, id: data[0].id }));
           }
         } else {
           await supabase
@@ -196,12 +208,13 @@ export default function Home() {
       } catch (err) {
         console.error('Auto-save error:', err);
       } finally {
+        insertInFlight.current = false;
         setIsSaving(false);
       }
     }, 1000);
 
     return () => clearTimeout(timer);
-  }, [campaign.title, campaign.preheader, campaign.modules, campaign.id]);
+  }, [isLoaded, campaign.title, campaign.preheader, campaign.modules, campaign.id]);
 
   const selectedModule = campaign.modules.find((m) => m.id === selectedModuleId) || null;