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 6dafc7fef..8725bd803 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
@@ -916,7 +916,7 @@ class ReaderActivity : BaseActivity() {
                 ) % 2 != 0
         }
         viewModel.state.value.viewerChapters?.let {
-            viewer.setChaptersDoubleShift(it)
+            viewer.setChaptersInternal(it)
         }
     }
 
@@ -932,7 +932,7 @@ class ReaderActivity : BaseActivity() {
             config.shiftDoublePage = !config.shiftDoublePage
             viewModel.state.value.viewerChapters?.let {
                 viewer.updateShifting()
-                viewer.setChaptersDoubleShift(it)
+                viewer.setChaptersInternal(it)
                 invalidateOptionsMenu()
             }
         }
diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/pager/PagerViewer.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/pager/PagerViewer.kt
index 725575b5d..58007c647 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/pager/PagerViewer.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/pager/PagerViewer.kt
@@ -84,7 +84,7 @@ abstract class PagerViewer(
             field = value
             if (value) {
                 awaitingIdleViewerChapters?.let { viewerChapters ->
-                    setChaptersDoubleShift(viewerChapters)
+                    setChaptersInternal(viewerChapters)
                     awaitingIdleViewerChapters = null
                     if (viewerChapters.currChapter.pages?.size == 1) {
                         adapter.nextTransition?.to?.let(activity::requestPreloadChapter)
@@ -288,7 +288,7 @@ abstract class PagerViewer(
      */
     override fun setChapters(chapters: ViewerChapters) {
         if (isIdle) {
-            setChaptersDoubleShift(chapters)
+            setChaptersInternal(chapters)
         } else {
             awaitingIdleViewerChapters = chapters
         }
@@ -297,13 +297,14 @@ abstract class PagerViewer(
     /**
      * Sets the active [chapters] on this pager.
      */
-    private fun setChaptersInternal(chapters: ViewerChapters) {
+    internal fun setChaptersInternal(chapters: ViewerChapters) {
         // Remove listener so the change in item doesn't trigger it
+        // since we're about to change the size of the items
+        // If we don't the size change could put us on a new chapter
         pager.removeOnPageChangeListener(pagerListener)
 
-        val forceTransition =
-            config.alwaysShowChapterTransition ||
-                adapter.joinedItems.getOrNull(pager.currentItem)?.first is ChapterTransition
+        val forceTransition = config.alwaysShowChapterTransition ||
+            adapter.joinedItems.getOrNull(pager.currentItem)?.first is ChapterTransition
         adapter.setChapters(chapters, forceTransition)
 
         // Layout the pager once a chapter is being set
@@ -315,6 +316,7 @@ abstract class PagerViewer(
         }
 
         pager.addOnPageChangeListener(pagerListener)
+        // Since we removed the listener while shifting,
         // Manually call onPageChange to update the UI
         onPageChange(pager.currentItem)
     }
@@ -500,16 +502,6 @@ abstract class PagerViewer(
     }
 
     // SY -->
-    fun setChaptersDoubleShift(chapters: ViewerChapters) {
-        // Remove Listener since we're about to change the size of the items
-        // If we don't the size change could put us on a new chapter
-        pager.removeOnPageChangeListener(pagerListener)
-        setChaptersInternal(chapters)
-        pager.addOnPageChangeListener(pagerListener)
-        // Since we removed the listener while shifting, call page change to update the ui
-        onPageChange(pager.currentItem)
-    }
-
     fun updateShifting(page: ReaderPage? = null) {
         adapter.pageToShift = page ?: adapter.joinedItems.getOrNull(pager.currentItem)?.first as? ReaderPage
     }