diff --git a/src/backend/imap/imap.php b/src/backend/imap/imap.php
index 85177825..0b81b6b3 100644
--- a/src/backend/imap/imap.php
+++ b/src/backend/imap/imap.php
@@ -1959,7 +1959,7 @@ public function Settings($settings) {
      * @return string       AS version constant
      */
     public function GetSupportedASVersion() {
-        return ZPush::ASV_14;
+        return ZPush::ASV_161;
     }