diff --git a/src/timelines/PullDownToRefresh.tsx b/src/timelines/PullDownToRefresh.tsx
index a9b2812..55859e5 100644
--- a/src/timelines/PullDownToRefresh.tsx
+++ b/src/timelines/PullDownToRefresh.tsx
@@ -95,7 +95,7 @@ const PullDownToRefresh: Component<{
     const scrollTop = (event.target as HTMLElement).scrollTop;
     if (scrollTop >= 0 && scrollTop < 1) {
       const d = untrack(pullDown);
-      if (event.deltaY <= 0 || d > 0) event.preventDefault();
+      if (d > 1) event.preventDefault();
       ds = -(event.deltaY / window.devicePixelRatio / 2);
       holding = d < stopPos();
       if (wheelTimeout) {
@@ -129,7 +129,6 @@ const PullDownToRefresh: Component<{
       return;
     }
     const item = event.targetTouches.item(0)!;
-    if (untrack(pullDown) > 0) event.preventDefault();
     if (lastTouchId && item.identifier !== lastTouchId) {
       lastTouchId = undefined;
       lastTouchScreenY = 0;
@@ -140,6 +139,7 @@ const PullDownToRefresh: Component<{
     if (lastTouchScreenY !== 0) {
       ds = item.screenY - lastTouchScreenY;
     }
+    if (Math.abs(ds) > 1 && untrack(pullDown) > 1) event.preventDefault();
     lastTouchScreenY = item.screenY;
     if (released) {
       released = false;