diff --git a/src/components/tools/DocumentVault.jsx b/src/components/tools/DocumentVault.jsx
index 28c50c6..110c74f 100644
--- a/src/components/tools/DocumentVault.jsx
+++ b/src/components/tools/DocumentVault.jsx
@@ -165,7 +165,7 @@ const DocumentVaultSession = ({signedIn}) => {
 
   return (
     <div className="space-y-6 animate-fade-in">
-      {hata && <button onClick={yukle} className="px-4 py-2 border rounded-lg">Yeniden dene</button>}
+      {hata && <button type="button" onClick={yukle} className="px-4 py-2 border rounded-lg">Yeniden dene</button>}
       <div className="bg-linear-to-r from-slate-900 via-teal-950 to-cyan-900 text-white p-6 rounded-2xl shadow-lg border border-teal-800/40">
         <div className="flex items-center gap-3">
           <div className="w-12 h-12 rounded-2xl bg-teal-600 flex items-center justify-center shadow-md">
@@ -331,18 +331,18 @@ const DocumentVaultSession = ({signedIn}) => {
               </div>
               <div className="flex flex-wrap items-center gap-1">
                 {d.tur === 'ihale' && d.ikn && readableDocument(d.ad) && (
-                  <button onClick={() => yenidenIsle(d)} disabled={busy || !d.erisilebilir}
+                  <button type="button" onClick={() => yenidenIsle(d)} disabled={busy || !d.erisilebilir}
                     aria-label={`${d.ad} için kalem çıkarımını yeniden dene`}
                     className="text-[10px] text-blue-700 font-bold disabled:opacity-40">
                     Kalemleri yeniden çıkar
                   </button>
                 )}
-                <button onClick={() => indir(d)} disabled={downloading.includes(d.id) || d.erisilebilir===false}
+                <button type="button" onClick={() => indir(d)} disabled={downloading.includes(d.id) || d.erisilebilir===false}
                   aria-label={`${d.ad} indir`} aria-busy={downloading.includes(d.id)}
                   className="text-slate-400 hover:text-teal-600 p-1 disabled:opacity-40" title="İndir">
                   {downloading.includes(d.id) ? <span role="status" className="text-xs">İndiriliyor…</span> : <Download className="w-4 h-4" />}
                 </button>
-                <button onClick={() => sil(d.id)} disabled={busy} className="text-slate-400 hover:text-red-500 p-1" title="Sil">
+                <button type="button" onClick={() => sil(d.id)} disabled={busy} className="text-slate-400 hover:text-red-500 p-1" title="Sil">
                   <Trash2 className="w-4 h-4" />
                 </button>
               </div>