diff --git a/app.js b/app.js
index 436f397..8e48b5c 100644
--- a/app.js
+++ b/app.js
@@ -505,13 +505,12 @@ async function editPlCoverSelected(input){
   const preview=URL.createObjectURL(file);
   document.getElementById('edit-pl-cover').innerHTML=`<img src="${preview}" style="width:100%;height:100%;object-fit:cover">`;
   try{
-    const imageData=await new Promise((res,rej)=>{const r=new FileReader();r.onload=()=>res(r.result);r.onerror=rej;r.readAsDataURL(file);});
     const token=await ndAuth();
-    const pl=_currentPlaylist;
-    const res=await fetch(`${cfg.url}/api/playlist/${pl.id}`,{
-      method:'PUT',
-      headers:{'X-Nd-Authorization':'Bearer '+token,'Content-Type':'application/json'},
-      body:JSON.stringify({name:pl.name,comment:pl.comment||'',public:!!pl.public,imageData})
+    const form=new FormData();form.append('image',file,file.name);
+    const res=await fetch(`${cfg.url}/api/playlist/${_currentPlaylist.id}/image`,{
+      method:'POST',
+      headers:{'X-Nd-Authorization':'Bearer '+token},
+      body:form
     });
     if(!res.ok)throw new Error(res.status);
     toast('Cover aktualisiert');
diff --git a/sw.js b/sw.js
index c5ff3b0..95d3357 100644
--- a/sw.js
+++ b/sw.js
@@ -1,4 +1,4 @@
-const CACHE = 'ns-v35';
+const CACHE = 'ns-v36';
 const PRECACHE = ['/', 'index.html', 'styles.css', 'app.js', 'manifest.json', 'icon.svg'];
 const SKIP_PATHS = ['/rest/stream', '/rest/download', '/config.js'];