diff --git a/tests/browser/play.mjs b/tests/browser/play.mjs
index 954307e..3b9d3c7 100644
--- a/tests/browser/play.mjs
+++ b/tests/browser/play.mjs
@@ -1223,10 +1223,19 @@ for (let actions = 0; ; actions++) {
         } else {
             await (await touchTarget("confirm", "Jouer ce coup", 2, confirms % 2)).click();
         }
-        await waitForPlayer();
-        const played = await savedJournal();
-        check(countMoves(played, "player") === countMoves(journal, "player") + 1,
-            "le coup joué n'est pas dans le journal");
+        const next = await waitForPlayer();
+        // L'application enregistre sans attendre ; sur un disque lent,
+        // l'écriture d'IndexedDB peut suivre de loin : on lui laisse 10 s.
+        const expected = countMoves(journal, "player") + 1;
+        let played = await savedJournal();
+        for (let i = 0; i < 100 && countMoves(played, "player") < expected; i++) {
+            await sleep(100);
+            played = await savedJournal();
+        }
+        check(countMoves(played, "player") === expected,
+            `le coup joué n'est pas dans le journal : ${countMoves(played, "player")} coups ` +
+                `enregistrés, ${expected} attendus ; à l'écran : ${next}, ` +
+                `« ${await page.textContent("#info")} »`);
         halfMoves = 0;
         touched = false;
     } else {