diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 96899ad2..8988be66 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -25,8 +25,8 @@ android {
         applicationId = "org.grakovne.lissen"
         minSdk = 28
         targetSdk = 35
-        versionCode = 50
-        versionName = "1.1.19"
+        versionCode = 51
+        versionName = "1.1.20"
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables {
diff --git a/app/src/main/java/org/grakovne/lissen/content/cache/LocalCacheRepository.kt b/app/src/main/java/org/grakovne/lissen/content/cache/LocalCacheRepository.kt
index ddd5fe48..90494b69 100644
--- a/app/src/main/java/org/grakovne/lissen/content/cache/LocalCacheRepository.kt
+++ b/app/src/main/java/org/grakovne/lissen/content/cache/LocalCacheRepository.kt
@@ -126,8 +126,9 @@ class LocalCacheRepository @Inject constructor(
 
         val currentChapter = calculateChapterIndex(cachedBook, cachedPosition)
 
-        return when (cachedBook.chapters[currentChapter].available) {
+        return when (currentChapter in cachedBook.chapters.indices && cachedBook.chapters[currentChapter].available) {
             true -> cachedBook
+
             false ->
                 cachedBook
                     .copy(