diff --git a/app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupManager.kt b/app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupManager.kt
index a6fcf0ca5..d46d1f743 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupManager.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupManager.kt
@@ -130,7 +130,9 @@ class BackupManager(
 
                     // Delete older backups
                     val numberOfBackups = backupPreferences.numberOfBackups().get()
-                    val backupRegex = Regex("""tachiyomi_\d+-\d+-\d+_\d+-\d+.proto.gz""")
+                    // SY -->
+                    val backupRegex = Regex("""tachiyomi(?:_sy)?_\d+-\d+-\d+_\d+-\d+.proto.gz""")
+                    // SY <--
                     dir.listFiles { _, filename -> backupRegex.matches(filename) }
                         .orEmpty()
                         .sortedByDescending { it.name }
diff --git a/app/src/main/java/eu/kanade/tachiyomi/data/backup/models/Backup.kt b/app/src/main/java/eu/kanade/tachiyomi/data/backup/models/Backup.kt
index 76a55881d..8e3364d12 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/data/backup/models/Backup.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/backup/models/Backup.kt
@@ -20,7 +20,7 @@ data class Backup(
     companion object {
         fun getBackupFilename(): String {
             val date = SimpleDateFormat("yyyy-MM-dd_HH-mm", Locale.getDefault()).format(Date())
-            return "tachiyomi_$date.proto.gz"
+            return "tachiyomi_sy_$date.proto.gz"
         }
     }
 }