diff --git a/app/src/main/kotlin/eu/kanade/tachiyomi/ui/reader/ReaderActivity.kt b/app/src/main/kotlin/eu/kanade/tachiyomi/ui/reader/ReaderActivity.kt
index be29fa45f..7c1de532d 100644
--- a/app/src/main/kotlin/eu/kanade/tachiyomi/ui/reader/ReaderActivity.kt
+++ b/app/src/main/kotlin/eu/kanade/tachiyomi/ui/reader/ReaderActivity.kt
@@ -288,6 +288,7 @@ class ReaderActivity : EhActivity() {
                 it.start()
                 if (it.awaitReady()) {
                     withUIContext {
+                        totalPage = it.size
                         viewer?.setGalleryProvider(it)
                         moveToPageIndex(0)
                     }