diff --git a/interface/web/dns/dns_spf_edit.php b/interface/web/dns/dns_spf_edit.php
index 70f39e44eb2b135abdea6a0251db227388c22c93..ee043d284f9cb08acedafcb65774f34af63fc0e7 100644
--- a/interface/web/dns/dns_spf_edit.php
+++ b/interface/web/dns/dns_spf_edit.php
@@ -176,6 +176,8 @@ class page_action extends tform_actions {
 		}
 
 		// Create spf-record
+		$spf_record = [];
+
 		if (!empty($this->dataRecord['spf_mx'])) {
 			$spf_record[] = 'mx';
 		}