diff --git a/frontend/js/feed.js b/frontend/js/feed.js
index 03e5937..b6d6f85 100644
--- a/frontend/js/feed.js
+++ b/frontend/js/feed.js
@@ -1492,15 +1492,29 @@ App.feed = App.feed || {};
         if (!turnPin && !turnResolved && isTurn(settleFromShape, shape)) {
             pinTurn(settleFromShape);
         }
+        // A turn the device announced is not over because the viewport paused.
+        // It arrives in steps, and the gap between two of them is routinely
+        // longer than the handful of frames that stands in for "stopped" --
+        // which is how the pin came off mid-turn and let the picture take an
+        // intermediate shape, the one thing it is here to prevent. So while
+        // the announcement stands the pin holds, and the frame count is left
+        // to end the pins nothing announced: a window dragged across the
+        // square, where there is no signal to go on and no turn to ruin.
+        const announced = Date.now() - turnSignalAt < TURN_SIGNAL_MS;
         // The viewport has stopped moving, so what it is now is better than
         // what the pin guessed it would be. Letting go here, with the realign
         // below in the same frame, is the one step the picture takes.
-        if (turnPin && settleStableFrames >= TURN_HOLD_FRAMES) {
+        if (turnPin && !announced && settleStableFrames >= TURN_HOLD_FRAMES) {
             releaseTurn();
             turnResolved = true;
         }
         realignToActive();
-        if (settleStableFrames < SETTLE_STABLE_FRAMES &&
+        // The window may not conclude mid-turn either: closing it releases the
+        // pin on the way out, which would put the picture through the same
+        // intermediate shape by the other door. An announced turn therefore
+        // holds the window open too, and SETTLE_MAX_MS -- longer than the
+        // announcement -- is what still guarantees it ends.
+        if ((announced || settleStableFrames < SETTLE_STABLE_FRAMES) &&
             (Date.now() - settleStartedAt) < SETTLE_MAX_MS) {
             resizeSettleRaf = requestAnimationFrame(settleStep);
             return;