diff --git a/src/Illuminate/Console/Scheduling/Event.php b/src/Illuminate/Console/Scheduling/Event.php
index 6ef8521ca2f..b3ee800663b 100644
--- a/src/Illuminate/Console/Scheduling/Event.php
+++ b/src/Illuminate/Console/Scheduling/Event.php
@@ -7,6 +7,7 @@
 use GuzzleHttp\Client as HttpClient;
 use GuzzleHttp\ClientInterface as HttpClientInterface;
 use GuzzleHttp\Exception\TransferException;
+use Illuminate\Console\Application;
 use Illuminate\Contracts\Container\Container;
 use Illuminate\Contracts\Debug\ExceptionHandler;
 use Illuminate\Contracts\Mail\Mailer;
@@ -811,7 +812,8 @@ public function mutexName()
             return $mutexNameResolver($this);
         }
 
-        return 'framework'.DIRECTORY_SEPARATOR.'schedule-'.sha1($this->expression.$this->command);
+        return 'framework'.DIRECTORY_SEPARATOR.'schedule-'.
+            sha1($this->expression.$this->normalizeCommand($this->command ?? ''));
     }
 
     /**
@@ -838,4 +840,21 @@ protected function removeMutex()
             $this->mutex->forget($this);
         }
     }
+
+    /**
+     * Format the given command string with a normalized PHP binary path.
+     *
+     * @param  string  $command
+     * @return string
+     */
+    public static function normalizeCommand($command)
+    {
+        return str_replace([
+            Application::phpBinary(),
+            Application::artisanBinary(),
+        ], [
+            'php',
+            preg_replace("#['\"]#", '', Application::artisanBinary()),
+        ], $command);
+    }
 }
diff --git a/src/Illuminate/Console/Scheduling/ScheduleListCommand.php b/src/Illuminate/Console/Scheduling/ScheduleListCommand.php
index cf42dc795f0..97845ad8beb 100644
--- a/src/Illuminate/Console/Scheduling/ScheduleListCommand.php
+++ b/src/Illuminate/Console/Scheduling/ScheduleListCommand.php
@@ -5,7 +5,6 @@
 use Closure;
 use Cron\CronExpression;
 use DateTimeZone;
-use Illuminate\Console\Application;
 use Illuminate\Console\Command;
 use Illuminate\Support\Carbon;
 use Illuminate\Support\Collection;
@@ -123,10 +122,7 @@ private function listEvent($event, $terminalWidth, $expressionSpacing, $repeatEx
         $description = $event->description ?? '';
 
         if (! $this->output->isVerbose()) {
-            $command = str_replace([Application::phpBinary(), Application::artisanBinary()], [
-                'php',
-                preg_replace("#['\"]#", '', Application::artisanBinary()),
-            ], $command);
+            $command = $event->normalizeCommand($command);
         }
 
         if ($event instanceof CallbackEvent) {