diff --git a/app/src/main/java/ani/dantotsu/download/manga/MangaDownloaderService.kt b/app/src/main/java/ani/dantotsu/download/manga/MangaDownloaderService.kt
index 4452a2df..ed3cb02c 100644
--- a/app/src/main/java/ani/dantotsu/download/manga/MangaDownloaderService.kt
+++ b/app/src/main/java/ani/dantotsu/download/manga/MangaDownloaderService.kt
@@ -32,6 +32,7 @@ import ani.dantotsu.media.manga.MangaReadFragment.Companion.ACTION_DOWNLOAD_STAR
 import ani.dantotsu.media.manga.MangaReadFragment.Companion.EXTRA_CHAPTER_NUMBER
 import ani.dantotsu.snackString
 import ani.dantotsu.util.Logger
+import ani.dantotsu.util.NumberConverter.Companion.ofLength
 import com.anggrayudi.storage.file.deleteRecursively
 import com.anggrayudi.storage.file.forceDelete
 import com.anggrayudi.storage.file.openOutputStream
@@ -235,7 +236,7 @@ class MangaDownloaderService : Service() {
                         }
 
                         if (bitmap != null) {
-                            saveToDisk("$index.jpg", outputDir, bitmap)
+                            saveToDisk("${index.ofLength(3)}.jpg", outputDir, bitmap)
                         }
                         farthest++
 
diff --git a/app/src/main/java/ani/dantotsu/util/NumberConverter.kt b/app/src/main/java/ani/dantotsu/util/NumberConverter.kt
index 49d41de7..61aefe4e 100644
--- a/app/src/main/java/ani/dantotsu/util/NumberConverter.kt
+++ b/app/src/main/java/ani/dantotsu/util/NumberConverter.kt
@@ -47,5 +47,9 @@ class NumberConverter {
             val intBits = java.lang.Float.floatToIntBits(number)
             return Integer.toBinaryString(intBits)
         }
+
+        fun Int.ofLength(length: Int): String {
+            return this.toString().padStart(length, '0')
+        }
     }
 }
\ No newline at end of file