diff --git a/src/lib/Avatar.svelte b/src/lib/Avatar.svelte
index a707113..0e91df8 100644
--- a/src/lib/Avatar.svelte
+++ b/src/lib/Avatar.svelte
@@ -63,8 +63,8 @@
 
 {#if size === 'normal'}
 <div class="w-36 sm:w-44 text-center pb-4">
-  <a href="/lide/{speaker.id}" on:mouseover={mouseOver} on:mouseleave={mouseLeave}><img src={currentImg} class="w-36 sm:w-40 rounded-full m-auto shadow-xl" alt={speaker.name} /></a>
-  <div class="mt-4 text-sm text-blue-web uppercase font-bold"><a href="/lide/{speaker.id}">{speaker.name}</a> {country}</div>
+  <a href="/lide?id={speaker.id}" on:mouseover={mouseOver} on:mouseleave={mouseLeave}><img src={currentImg} class="w-36 sm:w-40 rounded-full m-auto shadow-xl" alt={speaker.name} /></a>
+  <div class="mt-4 text-sm text-blue-web uppercase font-bold"><a href="/lide?id={speaker.id}">{speaker.name}</a> {country}</div>
   {#if speaker.bio || speaker.orgs}
     <div class="mt-1 text-xs text-blue-web italic"><SvelteMarkdown source={speaker.bio || speaker.orgs} /></div>
   {/if}
@@ -85,13 +85,13 @@
 
 {#if size === 'extra-small'}
 <div class="w-6 h-6 text-center">
-  <a href="/lide/{speaker.id}"><img src={currentImg} class="w-6 rounded-full m-auto" alt="{speaker.name}" /></a>
+  <a href="/lide?id={speaker.id}"><img src={currentImg} class="w-6 rounded-full m-auto" alt="{speaker.name}" /></a>
 </div>
 {/if}
 
 {#if size === 'micro'}
 <div class="w-4 h-4 text-center">
-  <a href="/lide/{speaker.id}"><img src={currentImg} class="w-4 rounded-full m-auto" alt="{speaker.name}" /></a>
+  <a href="/lide?id={speaker.id}"><img src={currentImg} class="w-4 rounded-full m-auto" alt="{speaker.name}" /></a>
 </div>
 {/if}
 
diff --git a/src/lib/Event.svelte b/src/lib/Event.svelte
index 904f518..0887389 100644
--- a/src/lib/Event.svelte
+++ b/src/lib/Event.svelte
@@ -44,13 +44,13 @@
 
 <div class="transition-all mb-4 border px-3 py-2 rounded-md shadow {$userData.favoriteEvents.includes(e.id) ? 'bg-yellow-100' : '' }" >
   <div class="float-right"><i class="fa-star {$userData.favoriteEvents.includes(e.id) ? 'fa-solid' : 'fa-regular'} cursor-pointer" utxo-event-id="{e.id}" on:click={handleFavorite}></i></div>
-  <div class="text-lg font-semibold"><a href="/udalosti/{e.id}">{e.name}</a></div>
+  <div class="text-lg font-semibold"><a href="/udalosti?id={e.id}">{e.name}</a></div>
   {#if e.speakers && e.speakers.length > 0}
     <div class="mt-1 mb-2 flex flex-wrap gap-2">
       {#each speakersMap(e.speakers) as s}
         <div class="flex gap-1.5">
           <Avatar speaker={s} size='extra-small' />
-          <div class="m-auto"><a href="/lide/{s.id}">{s.name}</a></div>
+          <div class="m-auto"><a href="/lide?id={s.id}">{s.name}</a></div>
         </div>
       {/each}
     </div>
@@ -65,13 +65,13 @@
       <div class="flex flex-wrap gap-2" cellpadding="5">
         {#each getParents(e) as pe}
           <div class="border rounded py-1.5 px-2.5 bg-gray-100 text-sm">
-            <div class="font-bold"><a href="/udalosti/{pe.id}">{pe.name}</a></div>
+            <div class="font-bold"><a href="/udalosti?id={pe.id}">{pe.name}</a></div>
             <div class="mt-1">
               {#if pe.speakers.length === 0}
                 <div>TBA</div>
               {:else}
                 {#each speakersMap(pe.speakers) as s}
-                  <div class="flex gap-1"><Avatar speaker={s} size='micro' /><div><a href="/lide/{s.id}">{s.name}</a></div></div>
+                  <div class="flex gap-1"><Avatar speaker={s} size='micro' /><div><a href="/lide?id={s.id}">{s.name}</a></div></div>
                 {/each}
               {/if}
             </div>
diff --git a/src/routes/lide/[id].svelte b/src/routes/lide.svelte
similarity index 81%
rename from src/routes/lide/[id].svelte
rename to src/routes/lide.svelte
index d540ff4..00a01d5 100644
--- a/src/routes/lide/[id].svelte
+++ b/src/routes/lide.svelte
@@ -5,14 +5,26 @@
 <script>
   import SvelteMarkdown from 'svelte-markdown';
 
+  import { goto } from '$app/navigation';
   import Avatar from '$lib/Avatar.svelte';
   import Event from '$lib/Event.svelte';
+	import { onMount } from 'svelte';
 	import { page } from '$app/stores';
   import { bundle } from '$lib/stores.js';
 
-  $: s = $bundle ? $bundle.spec.speakers.find(s => s.id === $page.params.id) : null
+  let id = null
+  let s = null
 
-  $: events = $bundle.spec.events.filter(ev => ev.speakers && ev.speakers.includes(s.id))
+  $: s = $bundle ? $bundle.spec.speakers.find(s => s.id === id) : null
+  $: events = s ? $bundle.spec.events.filter(ev => ev.speakers && ev.speakers.includes(s.id)) : []
+
+  onMount(() => {
+    const searchParams = new URLSearchParams($page.url.search)
+    id = searchParams.get('id')
+    if (!$bundle.spec.speakers.find(s => s.id === id)) {
+      goto('/')
+    }
+  })
 
   function trackRender (trackId) {
     const track = $bundle.spec.tracks.find(t => t.id === trackId)
@@ -30,7 +42,7 @@
 </script>
 
 <section class="relative mx-auto py-6 sm:py-10 px-6 max-w-6xl text-blue-web">
-  {#if $bundle}
+  {#if $bundle && s}
     <div class="sm:flex gap-10 mt-4">
       <div><Avatar speaker={s} size="big" /></div>
       <div class="mt-4 sm:mt-0">
diff --git a/src/routes/udalosti/[id].svelte b/src/routes/udalosti.svelte
similarity index 77%
rename from src/routes/udalosti/[id].svelte
rename to src/routes/udalosti.svelte
index 63a3329..0195a8e 100644
--- a/src/routes/udalosti/[id].svelte
+++ b/src/routes/udalosti.svelte
@@ -6,11 +6,23 @@
   import SvelteMarkdown from 'svelte-markdown';
 
 	import { page } from '$app/stores';
+  import { goto } from '$app/navigation';
+  import { onMount } from 'svelte';
   import { bundle, userData } from '$lib/stores.js';
   import EventTypeLabel from '$lib/EventTypeLabel.svelte';
   import Avatar from '$lib/Avatar.svelte';
 
-  $: e = $bundle ? $bundle.spec.events.find(ev => ev.id === $page.params.id) : null
+  let id = null
+
+  $: e = $bundle ? $bundle.spec.events.find(ev => ev.id === id) : null
+
+  onMount(() => {
+    const searchParams = new URLSearchParams($page.url.search)
+    id = searchParams.get('id')
+    if (!$bundle.spec.events.find(ev => ev.id === id)) {
+      goto('/program')
+    }
+  })
 
   function speakersMap (arr) {
     if (!arr) return;
@@ -27,7 +39,7 @@
 </script>
 
 <section class="relative mx-auto py-6 sm:py-10 px-6 max-w-6xl text-blue-web">
-  {#if $bundle}
+  {#if $bundle && e}
     <div class="mb-6 flex flex-wrap gap-4">
       <div><EventTypeLabel event={e} size="big" /></div>
       <div class="text-md my-auto">{trackRender(e.track)}</div>