diff --git a/public/core/performance.js b/public/core/performance.js
index 7523561..3279e29 100644
--- a/public/core/performance.js
+++ b/public/core/performance.js
@@ -45,13 +45,12 @@
     const prepared=[];let saved=0;
     for(const f of raw){try{const p=await prepareAttachment(f);prepared.push(p.file);saved+=p.savedBytes;}catch(e){toast(e.message||String(e),'warn',6000);}}
     if(!prepared.length){input.value='';return;}
-    if(typeof DataTransfer==='undefined')return;
     const dt=new DataTransfer();prepared.forEach(f=>dt.items.add(f));input.files=dt.files;
     guardedInputs.add(input);input.dispatchEvent(new Event('change',{bubbles:true}));guardedInputs.delete(input);
     if(saved>256*1024)toast(`Фото оптимизированы: сэкономлено ${(saved/1024/1024).toFixed(1)} МБ.`,'success',4200);
   }
   document.addEventListener('change',e=>{
-    const input=e.target;if(!(input instanceof HTMLInputElement)||input.id!=='sunChatFilesV29'||guardedInputs.has(input))return;
+    const input=e.target;if(!(input instanceof HTMLInputElement)||input.id!=='sunChatFilesV29'||guardedInputs.has(input)||typeof DataTransfer==='undefined')return;
     e.preventDefault();e.stopImmediatePropagation();guardChatFiles(input).catch(err=>{console.error('[Caterium photo compression]',err);guardedInputs.add(input);input.dispatchEvent(new Event('change',{bubbles:true}));guardedInputs.delete(input);});
   },true);
   window.SunAttachmentGuard={VERSION:'17.6.1',MAX_FILE,TARGET,MAX_SIDE,compressImage,prepareAttachment};