diff --git a/app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupCreateService.kt b/app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupCreateService.kt
index 3e5d1e880..05b87521b 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupCreateService.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupCreateService.kt
@@ -34,7 +34,9 @@ class BackupCreateService : Service() {
         // SY -->
         internal const val BACKUP_CUSTOM_INFO = 0x10
         internal const val BACKUP_CUSTOM_INFO_MASK = 0x10
-        internal const val BACKUP_ALL = 0x1F
+        internal const val BACKUP_READ_MANGA = 0x20
+        internal const val BACKUP_READ_MANGA_MASK = 0x20
+        internal const val BACKUP_ALL = 0x3F
         // SY <--
 
         /**
diff --git a/app/src/main/java/eu/kanade/tachiyomi/data/backup/full/FullBackupManager.kt b/app/src/main/java/eu/kanade/tachiyomi/data/backup/full/FullBackupManager.kt
index 3196639a8..d69b8ebdd 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/data/backup/full/FullBackupManager.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/backup/full/FullBackupManager.kt
@@ -12,6 +12,8 @@ import eu.kanade.tachiyomi.data.backup.BackupCreateService.Companion.BACKUP_CUST
 import eu.kanade.tachiyomi.data.backup.BackupCreateService.Companion.BACKUP_CUSTOM_INFO_MASK
 import eu.kanade.tachiyomi.data.backup.BackupCreateService.Companion.BACKUP_HISTORY
 import eu.kanade.tachiyomi.data.backup.BackupCreateService.Companion.BACKUP_HISTORY_MASK
+import eu.kanade.tachiyomi.data.backup.BackupCreateService.Companion.BACKUP_READ_MANGA
+import eu.kanade.tachiyomi.data.backup.BackupCreateService.Companion.BACKUP_READ_MANGA_MASK
 import eu.kanade.tachiyomi.data.backup.BackupCreateService.Companion.BACKUP_TRACK
 import eu.kanade.tachiyomi.data.backup.BackupCreateService.Companion.BACKUP_TRACK_MASK
 import eu.kanade.tachiyomi.data.backup.full.models.Backup
@@ -64,7 +66,11 @@ class FullBackupManager(context: Context) : AbstractBackupManager(context) {
         var backup: Backup? = null
 
         databaseHelper.inTransaction {
-            val databaseManga = getFavoriteManga() /* SY --> */ + getReadManga() + getMergedManga().filterNot { it.source == MERGED_SOURCE_ID } /* SY <-- */
+            val databaseManga = getFavoriteManga() /* SY --> */ + if (flags and BACKUP_READ_MANGA_MASK == BACKUP_READ_MANGA) {
+                getReadManga()
+            } else {
+                emptyList()
+            } + getMergedManga() /* SY <-- */
 
             backup = Backup(
                 backupManga(databaseManga, flags),
diff --git a/app/src/main/java/eu/kanade/tachiyomi/data/backup/legacy/LegacyBackupManager.kt b/app/src/main/java/eu/kanade/tachiyomi/data/backup/legacy/LegacyBackupManager.kt
index 7b131fe15..b54e42822 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/data/backup/legacy/LegacyBackupManager.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/backup/legacy/LegacyBackupManager.kt
@@ -115,7 +115,7 @@ class LegacyBackupManager(context: Context, version: Int = CURRENT_VERSION) : Ab
         // SY <--
 
         databaseHelper.inTransaction {
-            val mangas = getFavoriteManga()/* SY --> */.filterNot { it.source == MERGED_SOURCE_ID } + getMergedManga().filterNot { it.source == MERGED_SOURCE_ID } /* SY <-- */
+            val mangas = getFavoriteManga()/* SY --> */.filterNot { it.source == MERGED_SOURCE_ID } + getMergedManga() /* SY <-- */
 
             val extensions: MutableSet<String> = mutableSetOf()
 
diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/setting/SettingsBackupController.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/setting/SettingsBackupController.kt
index 8c216b0f6..cc97cccff 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/setting/SettingsBackupController.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/setting/SettingsBackupController.kt
@@ -278,7 +278,8 @@ class SettingsBackupController : SettingsController() {
                 R.string.track,
                 R.string.history,
                 // SY -->
-                R.string.custom_manga_info
+                R.string.custom_manga_info,
+                R.string.all_read_manga
                 // SY <--
             )
                 .map { activity.getString(it) }
@@ -289,7 +290,7 @@ class SettingsBackupController : SettingsController() {
                 .listItemsMultiChoice(
                     items = options,
                     disabledIndices = intArrayOf(0),
-                    initialSelection = intArrayOf(0, 1, 2, 3, 4 /* SY --> */, 5 /* SY <-- */)
+                    initialSelection = intArrayOf(0, 1, 2, 3, 4 /* SY --> */, 5, 6 /* SY <-- */)
                 ) { _, positions, _ ->
                     var flags = 0
                     for (i in 1 until positions.size) {
@@ -300,6 +301,7 @@ class SettingsBackupController : SettingsController() {
                             4 -> flags = flags or BackupCreateService.BACKUP_HISTORY
                             // SY -->
                             5 -> flags = flags or BackupCreateService.BACKUP_CUSTOM_INFO
+                            6 -> flags = flags or BackupCreateService.BACKUP_READ_MANGA
                             // SY <--
                         }
                     }
diff --git a/app/src/main/res/values/strings_sy.xml b/app/src/main/res/values/strings_sy.xml
index bb53760a5..8f9ee1799 100644
--- a/app/src/main/res/values/strings_sy.xml
+++ b/app/src/main/res/values/strings_sy.xml
@@ -202,6 +202,7 @@
 
     <!-- Backup settings -->
     <string name="custom_manga_info">Custom manga info</string>
+    <string name="all_read_manga">All read manga</string>
 
     <!-- Download settings -->
     <string name="save_chapter_as_cbz">Save Chapters as CBZ</string>