diff --git a/src/Illuminate/Console/Scheduling/CallbackEvent.php b/src/Illuminate/Console/Scheduling/CallbackEvent.php
index 4d0a8b6edd2f..7db7e1fe266a 100644
--- a/src/Illuminate/Console/Scheduling/CallbackEvent.php
+++ b/src/Illuminate/Console/Scheduling/CallbackEvent.php
@@ -101,6 +101,8 @@ public function withoutOverlapping()
                 "A scheduled event name is required to prevent overlapping. Use the 'name' method before 'withoutOverlapping'."
             );
         }
+        
+        $this->withoutOverlapping = true;
 
         return $this->skip(function () {
             return $this->mutex->exists($this);