diff --git a/src/Console/PurgeCommand.php b/src/Console/PurgeCommand.php
index dd791a4b..d97ee144 100644
--- a/src/Console/PurgeCommand.php
+++ b/src/Console/PurgeCommand.php
@@ -96,7 +96,7 @@ public function purge($master, $signal = SIGTERM)
             $master, $this->supervisors->longestActiveTimeout()
         );
 
-        collect($expired)->each(function ($processId) use ($master) {
+        collect($expired)->each(function ($processId) use ($master, $signal) {
             $this->comment("Killing Process: {$processId}");
 
             exec("kill -s {$signal} {$processId}");