diff --git a/admin/dropbox.jsonConfig.json5 b/admin/dropbox.jsonConfig.json5
index c60ad5d4..79c5a484 100644
--- a/admin/dropbox.jsonConfig.json5
+++ b/admin/dropbox.jsonConfig.json5
@@ -86,7 +86,7 @@
             "md": 6,
             "lg": 4,
             "min": 1,
-            "max": 100,
+            "max": 1000,
             "type": "number",
             "label": "piece",
             "help": "Delete old ioBroker backups with the exception of the last X pieces"