diff --git a/src/content/knowledgebase/tool-velociraptor.md b/src/content/knowledgebase/tool-velociraptor.md
index 70426da..9cbd36b 100644
--- a/src/content/knowledgebase/tool-velociraptor.md
+++ b/src/content/knowledgebase/tool-velociraptor.md
@@ -18,7 +18,7 @@ sections:
   advanced_topics: true
 review_status: "published"
 ---
-<video src="https://cloud.cc24.dev/s/ZmPK86M86fWyGQk" controls title="Training Video"></video>
+<video src="https://cloud.cc24.dev/s/ZmPK86M86fWyGQk" controls title="Training Video" type="video/mp4"></video>
 
 
 > **⚠️ Hinweis**: Dies ist ein vorläufiger, KI-generierter Knowledgebase-Eintrag. Wir freuen uns über Verbesserungen und Ergänzungen durch die Community!
diff --git a/src/layouts/BaseLayout.astro b/src/layouts/BaseLayout.astro
index d6d3205..0921130 100644
--- a/src/layouts/BaseLayout.astro
+++ b/src/layouts/BaseLayout.astro
@@ -364,13 +364,6 @@ const { title, description = 'ForensicPathways - A comprehensive directory of di
             errorCount++;
             console.log(`[VIDEO] Error ${errorCount} in Firefox for: ${video.getAttribute('data-video-title')}`);
             
-            if (errorCount === 1 && video.src.includes('/download')) {
-              console.log('[VIDEO] Trying /preview URL for Firefox compatibility');
-              video.src = video.src.replace('/download', '/preview');
-              video.load();
-            } else if (errorCount === 1) {
-              console.log('[VIDEO] Video failed to load in Firefox');
-            }
           });
           
           video.addEventListener('loadedmetadata', () => {
diff --git a/src/utils/remarkVideoPlugin.ts b/src/utils/remarkVideoPlugin.ts
index e7af280..5f0f596 100644
--- a/src/utils/remarkVideoPlugin.ts
+++ b/src/utils/remarkVideoPlugin.ts
@@ -15,9 +15,7 @@ export const remarkVideoPlugin: Plugin<[], Root> = () => {
         if (srcMatch) {
           const originalSrc = srcMatch[1];
           const title = titleMatch?.[1] || 'Video';
-          
-          const finalSrc = processNextcloudUrl(originalSrc);
-          
+                    
           const hasControls = node.value.includes('controls');
           const hasAutoplay = node.value.includes('autoplay');
           const hasMuted = node.value.includes('muted');
@@ -27,7 +25,7 @@ export const remarkVideoPlugin: Plugin<[], Root> = () => {
           const enhancedHTML = `
             <div class="video-container aspect-16-9">
               <video 
-                src="${escapeHtml(finalSrc)}"
+                src="${escapeHtml(originalSrc)}"
                 ${hasControls ? 'controls' : ''}
                 ${hasAutoplay ? 'autoplay' : ''}
                 ${hasMuted ? 'muted' : ''}
@@ -50,7 +48,7 @@ export const remarkVideoPlugin: Plugin<[], Root> = () => {
           parent.children[index] = { type: 'html', value: enhancedHTML };
           
           console.log(`[VIDEO] Processed: ${title}`);
-          console.log(`[VIDEO] Final URL: ${finalSrc}`);
+          console.log(`[VIDEO] Final URL: ${originalSrc}`);
         }
       }
     });
@@ -58,21 +56,6 @@ export const remarkVideoPlugin: Plugin<[], Root> = () => {
 };
 
 
-function processNextcloudUrl(originalUrl: string): string {
-  if (isNextcloudShareUrl(originalUrl) && !originalUrl.includes('/download')) {
-    const downloadUrl = `${originalUrl}/download`;
-    console.log(`[VIDEO] Auto-added /download: ${originalUrl} → ${downloadUrl}`);
-    return downloadUrl;
-  }
-  
-  return originalUrl;
-}
-
-function isNextcloudShareUrl(url: string): boolean {
-  const pattern = /\/s\/[a-zA-Z0-9]+/;
-  return pattern.test(url) && (url.includes('nextcloud') || url.includes('cloud.'));
-}
-
 function escapeHtml(unsafe: string): string {
   if (typeof unsafe !== 'string') return '';