diff --git a/app/Console/Commands/BackupUpdate.php b/app/Console/Commands/BackupUpdate.php
index e4166e5ff5d2..b9b6ec0e7558 100644
--- a/app/Console/Commands/BackupUpdate.php
+++ b/app/Console/Commands/BackupUpdate.php
@@ -77,8 +77,8 @@ class BackupUpdate extends Command
     {
         set_time_limit(0);
         
-        Backup::whereRaw('html_backup IS NOT NULL')->chunk(5000, function ($backups) {
-            foreach ($backups as $backup) {
+        Backup::whereHas('activity')->whereRaw('html_backup IS NOT NULL')->cursor()->each( function ($backup) {
+
                 
                 if(strlen($backup->html_backup) > 1 && $backup->activity->invoice->exists()){
 
@@ -97,7 +97,7 @@ class BackupUpdate extends Command
 
                 }
 
-            }
+            
         });
 
     }
diff --git a/app/Models/Activity.php b/app/Models/Activity.php
index ca8f0e8ab4c8..73c49f1dcd5a 100644
--- a/app/Models/Activity.php
+++ b/app/Models/Activity.php
@@ -177,6 +177,11 @@ class Activity extends StaticModel
         return $this->belongsTo(Invoice::class)->withTrashed();
     }
 
+    public function credit()
+    {
+        return $this->belongsTo(Credit::class)->withTrashed();
+    }
+
     /**
      * @return mixed
      */