diff --git a/index.html b/index.html
index aecff6b..76a3db5 100644
--- a/index.html
+++ b/index.html
@@ -170,7 +170,8 @@
       const value = document.querySelector('#speech-progress-value');
       const preparing = message.startsWith('Förbereder svensk uppläsning.');
       const match = message.match(/^Hämtar svensk röstmodell till enheten: (\d+) procent\.$/);
-      if (!preparing && !match) {
+      const bytesMatch = message.match(/^Hämtar svensk röstmodell till enheten: ([\d.,]+) MB hämtade\.$/);
+      if (!preparing && !match && !bytesMatch) {
         container.hidden = true;
         progress.removeAttribute('value');
         value.textContent = 'Väntar på nedladdning';
@@ -183,6 +184,11 @@
         value.textContent = `${percent}%`;
         return true;
       }
+      if (bytesMatch) {
+        progress.removeAttribute('value');
+        value.textContent = `${bytesMatch[1]} MB hämtade`;
+        return true;
+      }
       progress.removeAttribute('value');
       value.textContent = 'Förbereder…';
       return true;
diff --git a/scripts/check-frontend.sh b/scripts/check-frontend.sh
index 691084d..1d0071f 100755
--- a/scripts/check-frontend.sh
+++ b/scripts/check-frontend.sh
@@ -31,6 +31,7 @@ grep -q 'id="microphone" aria-pressed="false"' index.html
 grep -q 'id="voice-status" role="status" aria-live="polite"' index.html
 grep -q 'id="speech-progress" aria-label="Nedladdning av svensk röstmodell"' index.html
 grep -q 'id="speech-progress-value"' index.html
+grep -q 'MB hämtade' index.html
 grep -q "window.GameVoice.createVoiceController" index.html
 grep -q "addVoiceButton(item, 'Testa ljudet'" index.html
 grep -q 'Jag förstår – starta mikrofonen' index.html
diff --git a/tests/voice.test.cjs b/tests/voice.test.cjs
index ae1e345..095cc6f 100644
--- a/tests/voice.test.cjs
+++ b/tests/voice.test.cjs
@@ -264,6 +264,8 @@ test('Piper model download progress is reported as a bounded percentage', async
   assert.match(h.states.at(-1).message, /50 procent/);
   h.piperProgressCallbacks[0]({loaded: 90_000_000, total: 63_000_000});
   assert.match(h.states.at(-1).message, /100 procent/);
+  h.piperProgressCallbacks[0]({loaded: 10 * 1024 * 1024, total: 0});
+  assert.match(h.states.at(-1).message, /10 MB hämtade/);
 });
 
 test('Piper output keeps per-character pitch and rate stable', async () => {
diff --git a/voice.js b/voice.js
index 4545a43..3ea624a 100644
--- a/voice.js
+++ b/voice.js
@@ -250,13 +250,21 @@
         setState('IDLE', 'Piper tog för lång tid på sig. Dialogen finns kvar som text. Tryck på Läs senaste repliken för att försöka igen.');
       }, 180000);
 
-      let lastProgress = -1;
+      let lastProgressPercent = -1;
+      let lastProgressMegabytes = -1;
       const progress = event => {
-        if (token !== generation || !Number.isFinite(event?.loaded) || !Number.isFinite(event?.total) || event.total <= 0) return;
-        const percent = Math.max(0, Math.min(100, Math.floor((event.loaded / event.total) * 100)));
-        if (percent === lastProgress) return;
-        lastProgress = percent;
-        setState('PROCESSING', `Hämtar svensk röstmodell till enheten: ${percent} procent.`);
+        if (token !== generation || !Number.isFinite(event?.loaded) || event.loaded < 0) return;
+        if (Number.isFinite(event.total) && event.total > 0) {
+          const percent = Math.max(0, Math.min(100, Math.floor((event.loaded / event.total) * 100)));
+          if (percent === lastProgressPercent) return;
+          lastProgressPercent = percent;
+          setState('PROCESSING', `Hämtar svensk röstmodell till enheten: ${percent} procent.`);
+          return;
+        }
+        const megabytes = Math.floor((event.loaded / (1024 * 1024)) * 10) / 10;
+        if (megabytes === lastProgressMegabytes) return;
+        lastProgressMegabytes = megabytes;
+        setState('PROCESSING', `Hämtar svensk röstmodell till enheten: ${megabytes.toLocaleString('sv-SE')} MB hämtade.`);
       };
 
       Promise.resolve()