diff --git a/src/main/java/de/fabianonline/telegram_backup/Config.java b/src/main/java/de/fabianonline/telegram_backup/Config.java
index 8f8d6f1..4b526d2 100644
--- a/src/main/java/de/fabianonline/telegram_backup/Config.java
+++ b/src/main/java/de/fabianonline/telegram_backup/Config.java
@@ -34,7 +34,7 @@ public class Config {
     public static final String FILE_FILES_BASE = "files";
     public static final String FILE_STICKER_BASE = "stickers";
 
-    public static final int FILE_DOWNLOAD_BLOCK_SIZE = 10*1024*1024;
+    public static final int FILE_DOWNLOAD_BLOCK_SIZE = 1*1024*1024;
     
     public static int DELAY_AFTER_GET_MESSAGES = 200;
     public static int DELAY_AFTER_GET_FILE = 1000;