diff --git a/bootstrap/bootstrap.mjs b/bootstrap/bootstrap.mjs
index a4bbf04..79a50ea 100644
--- a/bootstrap/bootstrap.mjs
+++ b/bootstrap/bootstrap.mjs
@@ -399,6 +399,7 @@ const collections = [
     f('key', 'string', { interface: 'input', unique: true, required: true }),
     f('name', 'string', { interface: 'input', required: true }),
     dropdown('type', ['brief', 'umschlag', 'signatur'], { default: 'brief' }),
+    f('default_format', 'string', { interface: 'input', note: 'Standard-Template für dieses Format (Format-Key: a4, a6_hoch, a6_quer, dinlang, c6). Leer = kein Standard.' }),
     f('width', 'float', { interface: 'input', note: 'Zoll' }),
     f('height', 'float', { interface: 'input', note: 'Zoll' }),
     f('xpos', 'float', { interface: 'input', default: 0 }),
diff --git a/extensions/directus-extension-skrift-produktion/dist/index.js b/extensions/directus-extension-skrift-produktion/dist/index.js
index 4cbf341..24838e2 100644
--- a/extensions/directus-extension-skrift-produktion/dist/index.js
+++ b/extensions/directus-extension-skrift-produktion/dist/index.js
@@ -308,7 +308,7 @@ const Board = defineComponent({
           } }),
           ladeJobs(),
           ladeMachines(),
-          api.get('/items/format_templates', { params: { limit: -1, fields: 'id,key,name,type,width,height,xpos,ypos,scale,rotation' } }),
+          api.get('/items/format_templates', { params: { limit: -1, fields: 'id,key,name,type,width,height,xpos,ypos,scale,rotation,default_format' } }),
           api.get('/items/muster_settings', { params: { fields: 'text_du,text_sie' } }).catch(() => ({ data: { data: { text_du: '', text_sie: '' } } })),
         ]);
         orders.value = o.data?.data || [];
@@ -578,15 +578,18 @@ const Board = defineComponent({
 
     // ── Druck-Popup ──
     const tplByKey = (key, typ) => templates.value.find((t) => t.key === key && t.type === typ) || templates.value.find((t) => t.type === typ) || null;
+    // Bevorzugt das als Standard fürs Format markierte Template (default_format), sonst Fallback.
+    const tplForFormat = (fmt, typ) => (fmt && templates.value.find((t) => t.type === typ && t.default_format && t.default_format === fmt)) || null;
     const tplToFelder = (t) => ({ tplId: t?.id ?? null, width: t?.width ?? 0, height: t?.height ?? 0, xpos: t?.xpos ?? 0, ypos: t?.ypos ?? 0, scale: t?.scale ?? 1, rotation: t?.rotation ?? 0 });
 
     function openDruck(order) {
-      const bt = tplByKey(LETTER_TPL[order.format?.key] || 'a4_single', 'brief');
+      // Standard-Template fürs Format (default_format) hat Vorrang, sonst alte Zuordnung.
+      const bt = tplForFormat(order.format?.key, 'brief') || tplByKey(LETTER_TPL[order.format?.key] || 'a4_single', 'brief');
       const wantsEnv = order.needs_envelope && order.envelope_labeling && order.envelope_labeling !== 'keine';
       // Bei individuellem Text die Variante 2 des Kuverts vorschlagen (v1 = Empfängeradresse).
       let envKey = ENVELOPE_TPL[order.envelope_format] || 'kuvert_a_v1';
       if (wantsEnv && order.envelope_labeling === 'freitext') envKey = envKey.replace('_v1', '_v2');
-      const et = wantsEnv ? (tplByKey(envKey, 'umschlag') || tplByKey(ENVELOPE_TPL[order.envelope_format], 'umschlag')) : null;
+      const et = wantsEnv ? (tplForFormat(order.envelope_format, 'umschlag') || tplByKey(envKey, 'umschlag') || tplByKey(ENVELOPE_TPL[order.envelope_format], 'umschlag')) : null;
       const n = Math.max(1, order.entries_count || 1);
       druck.order = order;
       druck.machine = aktiveMaschinen.value[0]?.id ?? null;