diff --git a/src/Mail/Struct/SetCalendarItemInfoTrait.php b/src/Mail/Struct/SetCalendarItemInfoTrait.php
index f96e30eeb..27835ff16 100644
--- a/src/Mail/Struct/SetCalendarItemInfoTrait.php
+++ b/src/Mail/Struct/SetCalendarItemInfoTrait.php
@@ -62,6 +62,7 @@ public function __construct(
     {
         $this->partStat = $partStat;
         $this->msg = $msg;
+        return $this;
     }
 
     /**