diff --git a/internal/epub/filters/epub_filters_autorotate.go b/internal/epub/filters/epub_filters_autorotate.go
index 886c4f8..b0561bc 100644
--- a/internal/epub/filters/epub_filters_autorotate.go
+++ b/internal/epub/filters/epub_filters_autorotate.go
@@ -7,29 +7,15 @@ import (
 	"github.com/disintegration/gift"
 )
 
-func AutoRotate(viewWidth, viewHeight int) gift.Filter {
-	return &autoRotateFilter{
-		viewWidth, viewHeight,
-	}
+func AutoRotate() gift.Filter {
+	return &autoRotateFilter{}
 }
 
 type autoRotateFilter struct {
-	viewWidth, viewHeight int
-}
-
-func (p *autoRotateFilter) needRotate(srcBounds image.Rectangle) bool {
-	width, height := srcBounds.Dx(), srcBounds.Dy()
-	if width <= height {
-		return false
-	}
-	if width <= p.viewWidth && height <= p.viewHeight {
-		return false
-	}
-	return true
 }
 
 func (p *autoRotateFilter) Bounds(srcBounds image.Rectangle) (dstBounds image.Rectangle) {
-	if p.needRotate(srcBounds) {
+	if srcBounds.Dx() > srcBounds.Dy() {
 		dstBounds = gift.Rotate90().Bounds(srcBounds)
 	} else {
 		dstBounds = srcBounds
@@ -38,7 +24,7 @@ func (p *autoRotateFilter) Bounds(srcBounds image.Rectangle) (dstBounds image.Re
 }
 
 func (p *autoRotateFilter) Draw(dst draw.Image, src image.Image, options *gift.Options) {
-	if p.needRotate(src.Bounds()) {
+	if src.Bounds().Dx() > src.Bounds().Dy() {
 		gift.Rotate90().Draw(dst, src, options)
 	} else {
 		draw.Draw(dst, dst.Bounds(), src, src.Bounds().Min, draw.Src)
diff --git a/internal/epub/image/epub_image_filters.go b/internal/epub/image/epub_image_filters.go
index 0e73de0..718e3fd 100644
--- a/internal/epub/image/epub_image_filters.go
+++ b/internal/epub/image/epub_image_filters.go
@@ -10,7 +10,7 @@ func NewGift(options *Options) *gift.GIFT {
 	g.SetParallelization(false)
 
 	if options.AutoRotate {
-		g.Add(epubfilters.AutoRotate(options.ViewWidth, options.ViewHeight))
+		g.Add(epubfilters.AutoRotate())
 	}
 	if options.Contrast != 0 {
 		g.Add(gift.Contrast(float32(options.Contrast)))