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 9a0daf9f8a..8e20633f6a 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
@@ -1195,7 +1195,7 @@ class ReaderActivity : BaseRxActivity<ReaderPresenter>() {
             binding.chaptersSheet.chaptersBottomSheet.refreshList()
         }
         // Set seekbar progress
-        binding.readerNav.pageSeekbar.valueTo = pages.lastIndex.toFloat()
+        binding.readerNav.pageSeekbar.valueTo = max(pages.lastIndex.toFloat(), 1f)
         val progress = page.index + if (hasExtraPage) 1 else 0
         // For a double page, show the last 2 pages as if it was the final part of the seekbar
         binding.readerNav.pageSeekbar.value = (if (progress == pages.lastIndex) progress else page.index).toFloat()