diff --git a/system/src/Grav/Common/Backup/ZipBackup.php b/system/src/Grav/Common/Backup/ZipBackup.php
index c73358e9d..cf3689b28 100644
--- a/system/src/Grav/Common/Backup/ZipBackup.php
+++ b/system/src/Grav/Common/Backup/ZipBackup.php
@@ -64,6 +64,8 @@ class ZipBackup
         $zip = new \ZipArchive();
         $zip->open($destination, \ZipArchive::CREATE);
 
+        $max_execution_time = ini_set('max_execution_time', 600);
+
         static::folderToZip(GRAV_ROOT, $zip, strlen(rtrim(GRAV_ROOT, DS) . DS), $messager);
 
         $messager && $messager([
@@ -85,6 +87,10 @@ class ZipBackup
 
         $zip->close();
 
+        if ($max_execution_time !== false) {
+            ini_set('max_execution_time', $max_execution_time);
+        }
+
         return $destination;
     }