diff --git a/System/Process/CrontabProcess.php b/System/Process/CrontabProcess.php
index 13a64ff0..c230444d 100644
--- a/System/Process/CrontabProcess.php
+++ b/System/Process/CrontabProcess.php
@@ -54,6 +54,8 @@ class CrontabProcess extends Process
             }
         } catch (\Throwable $exception) {
             $this->application->error($exception->getMessage());
+        } finally {
+            $this->waitGroup();
         }
     }