diff --git a/src/components/reader/BookReader.tsx b/src/components/reader/BookReader.tsx
index 3cda016..18f708d 100644
--- a/src/components/reader/BookReader.tsx
+++ b/src/components/reader/BookReader.tsx
@@ -150,7 +150,7 @@ export function BookReader({ book, pages, onClose }: BookReaderProps) {
   );
 
   return (
-    <div className="fixed inset-0 bg-background/95 backdrop-blur-sm z-50">
+    <div className="fixed inset-0 bg-background/95 backdrop-blur-sm z-50 overflow-hidden touch-none">
       <div
         className="relative h-full flex flex-col items-center justify-center"
         onClick={() => setShowControls(!showControls)}
diff --git a/src/components/reader/hooks/usePageNavigation.ts b/src/components/reader/hooks/usePageNavigation.ts
index 0f5ac7e..b2e42cb 100644
--- a/src/components/reader/hooks/usePageNavigation.ts
+++ b/src/components/reader/hooks/usePageNavigation.ts
@@ -101,9 +101,13 @@ export const usePageNavigation = ({
       if (touchStartXRef.current === null) return;
 
       const touchEndX = event.changedTouches[0].clientX;
+      const touchEndY = event.changedTouches[0].clientY;
       const deltaX = touchEndX - touchStartXRef.current;
+      const deltaY = Math.abs(touchEndY - event.touches[0].clientY);
       const minSwipeDistance = 50;
 
+      if (deltaY > Math.abs(deltaX)) return;
+
       if (Math.abs(deltaX) > minSwipeDistance) {
         if (deltaX > 0) {
           handlePreviousPage();