diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderActivity.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderActivity.kt
index 595fb6cebd..a64502c29c 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderActivity.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderActivity.kt
@@ -999,7 +999,7 @@ class ReaderActivity : BaseRxActivity<ReaderPresenter>() {
             lastShiftDoubleState?.let { newViewer.config.shiftDoublePage = it }
         }
 
-        binding.navigationOverlay.isLTR = viewer !is L2RPagerViewer
+        binding.navigationOverlay.isLTR = viewer !is R2LPagerViewer
         binding.viewerContainer.setBackgroundColor(
             if (viewer is WebtoonViewer) {
                 Color.BLACK
diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/ViewerNavigation.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/ViewerNavigation.kt
index 2b4b9a0f01..474a8ccb12 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/ViewerNavigation.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/ViewerNavigation.kt
@@ -16,7 +16,7 @@ abstract class ViewerNavigation {
 
         fun directionalRegion(LTR: Boolean): NavigationRegion {
             return if (this === LEFT || this === RIGHT) {
-                if (if (LTR) this === LEFT else this === RIGHT) NEXT else PREV
+                if (if (LTR) this === RIGHT else this === LEFT) NEXT else PREV
             } else this
         }
     }