diff --git a/domain/src/commonMain/kotlin/ca/gosyer/jui/domain/reader/model/Direction.kt b/domain/src/commonMain/kotlin/ca/gosyer/jui/domain/reader/model/Direction.kt
index 9780514e..c9594961 100644
--- a/domain/src/commonMain/kotlin/ca/gosyer/jui/domain/reader/model/Direction.kt
+++ b/domain/src/commonMain/kotlin/ca/gosyer/jui/domain/reader/model/Direction.kt
@@ -18,5 +18,8 @@ enum class Direction(@Transient val res: StringResource) {
     Down(MR.strings.dir_down),
     Left(MR.strings.dir_rtl),
     Right(MR.strings.dir_ltr),
-    Up(MR.strings.dir_up)
+    Up(MR.strings.dir_up);
+
+    val isVertical
+        get() = this == Down || this == Up
 }
diff --git a/presentation/src/commonMain/kotlin/ca/gosyer/jui/ui/reader/ReaderMenu.kt b/presentation/src/commonMain/kotlin/ca/gosyer/jui/ui/reader/ReaderMenu.kt
index db49bea8..61ed5f66 100644
--- a/presentation/src/commonMain/kotlin/ca/gosyer/jui/ui/reader/ReaderMenu.kt
+++ b/presentation/src/commonMain/kotlin/ca/gosyer/jui/ui/reader/ReaderMenu.kt
@@ -471,7 +471,7 @@ fun ReaderLayout(
             currentPageOffset = currentPageOffset,
             loadingModifier = loadingModifier,
             pageContentScale = if (fitSize) {
-                if (direction == Direction.Up || direction == Direction.Down) {
+                if (direction.isVertical) {
                     ContentScale.FillWidth
                 } else {
                     ContentScale.FillHeight
diff --git a/presentation/src/commonMain/kotlin/ca/gosyer/jui/ui/reader/viewer/Continuous.kt b/presentation/src/commonMain/kotlin/ca/gosyer/jui/ui/reader/viewer/Continuous.kt
index 0ef891e0..45fd0a3b 100644
--- a/presentation/src/commonMain/kotlin/ca/gosyer/jui/ui/reader/viewer/Continuous.kt
+++ b/presentation/src/commonMain/kotlin/ca/gosyer/jui/ui/reader/viewer/Continuous.kt
@@ -110,9 +110,9 @@ fun ContinuousReader(
         }
 
         val imageModifier = if (maxSize != 0) {
-            when (direction) {
-                Direction.Up, Direction.Down -> Modifier.width(maxSize.dp)
-                Direction.Left, Direction.Right -> Modifier.height(maxSize.dp)
+            when (direction.isVertical) {
+                true -> Modifier.width(maxSize.dp)
+                false -> Modifier.height(maxSize.dp)
             }
         } else {
             Modifier
@@ -125,8 +125,8 @@ fun ContinuousReader(
         }
         fun retry(index: Int) { pages.find { it is ReaderPage && it.index == index }?.let { retry(it as ReaderPage) } }
 
-        when (direction) {
-            Direction.Down, Direction.Up -> {
+        when (direction.isVertical) {
+            true -> {
                 LazyColumn(
                     state = state,
                     reverseLayout = direction == Direction.Up,
@@ -151,7 +151,7 @@ fun ContinuousReader(
                     reverseLayout = direction == Direction.Up
                 )
             }
-            Direction.Left, Direction.Right -> {
+            false -> {
                 LazyRow(
                     state = state,
                     reverseLayout = direction == Direction.Left,
diff --git a/presentation/src/commonMain/kotlin/ca/gosyer/jui/ui/reader/viewer/Pager.kt b/presentation/src/commonMain/kotlin/ca/gosyer/jui/ui/reader/viewer/Pager.kt
index 24032479..6cf4ab22 100644
--- a/presentation/src/commonMain/kotlin/ca/gosyer/jui/ui/reader/viewer/Pager.kt
+++ b/presentation/src/commonMain/kotlin/ca/gosyer/jui/ui/reader/viewer/Pager.kt
@@ -81,7 +81,7 @@ fun PagerReader(
     val modifier = parentModifier then Modifier.fillMaxSize()
     fun retry(index: Int) { pages.find { it is ReaderPage && it.index == index }?.let { retry(it as ReaderPage) } }
 
-    if (direction == Direction.Down || direction == Direction.Up) {
+    if (direction.isVertical) {
         VerticalPager(
             count = pages.size,
             state = state,
diff --git a/presentation/src/commonMain/kotlin/ca/gosyer/jui/ui/settings/SettingsReaderScreen.kt b/presentation/src/commonMain/kotlin/ca/gosyer/jui/ui/settings/SettingsReaderScreen.kt
index ba140c56..00f84f61 100644
--- a/presentation/src/commonMain/kotlin/ca/gosyer/jui/ui/settings/SettingsReaderScreen.kt
+++ b/presentation/src/commonMain/kotlin/ca/gosyer/jui/ui/settings/SettingsReaderScreen.kt
@@ -242,7 +242,7 @@ fun SettingsReaderScreenContent(
                                     stringResource(MR.strings.page_padding)
                                 )
                                 val direction by it.direction.collectAsState()
-                                val (title, subtitle) = if (direction == Direction.Up || direction == Direction.Down) {
+                                val (title, subtitle) = if (direction.isVertical) {
                                     stringResource(MR.strings.force_fit_width) to stringResource(MR.strings.force_fit_width_sub)
                                 } else {
                                     stringResource(MR.strings.force_fit_height) to stringResource(MR.strings.force_fit_height_sub)
@@ -253,7 +253,7 @@ fun SettingsReaderScreenContent(
                                     subtitle
                                 )
                                 val maxSize by it.maxSize.collectAsState()
-                                val (maxSizeTitle, maxSizeSubtitle) = if (direction == Direction.Up || direction == Direction.Down) {
+                                val (maxSizeTitle, maxSizeSubtitle) = if (direction.isVertical) {
                                     stringResource(MR.strings.max_width) to stringResource(
                                         MR.strings.max_width_sub,
                                         maxSize