diff --git a/src/Commands/LaravelHorizonDoctorCommand.php b/src/Commands/LaravelHorizonDoctorCommand.php
index 37dca9d..7dea6bd 100644
--- a/src/Commands/LaravelHorizonDoctorCommand.php
+++ b/src/Commands/LaravelHorizonDoctorCommand.php
@@ -12,8 +12,6 @@ class LaravelHorizonDoctorCommand extends Command
 
     public function handle(): int
     {
-        $this->info('Checking your Horizon configs...');
-
         $horizonConfigs = config('horizon.environments.production');
         $default = config('horizon.defaults');
         $queueConfigs = config('queue.connections');
@@ -27,6 +25,17 @@ public function handle(): int
             }
         }
 
+        $this->checkHorizonConfigs($horizonConfigs, $queueConfigs);
+        $this->checkDefaultQueuesAreProcessed($horizonConfigs, $queueConfigs);
+        $this->checkConnectionsAreUsedInHorizon($queueConfigs, $horizonConfigs);
+
+        return self::SUCCESS;
+    }
+
+    protected function checkHorizonConfigs(array $horizonConfigs, array $queueConfigs)
+    {
+        $this->info('Checking your Horizon configs...');
+
         foreach ($horizonConfigs as $key => $horizonConfig) {
             $errors = collect();
             $this->info("Checking queue `{$key}`");
@@ -52,6 +61,7 @@ public function handle(): int
             if (isset($horizonConfig['timeout']) && $horizonConfig['timeout'] >= $queueConnection['retry_after']) {
                 $errors[] = "`timeout` of configured horizon queue `{$key}` ({$horizonConfig['timeout']}) in config/horizon.php should be marginally bigger than the `retry_after` option of the queue connection `{$key}` ({$horizonConfig['timeout']}) set in config/queue.php";
             }
+
             if ($errors->count()) {
                 $errors->each(fn ($error) => $this->error("- {$error}"));
             } else {
@@ -60,11 +70,14 @@ public function handle(): int
 
             $this->comment('');
         }
+    }
 
+    protected function checkConnectionsAreUsedInHorizon(array $queueConfigs, array $horizonConfigs): void
+    {
         $this->info('Running some global checks...');
 
         // check that all queue connections are used in horizon
-        $redisQueues = collect($queueConfigs)
+        $redisQueueConnections = collect($queueConfigs)
             ->filter(fn ($queue) => $queue['driver'] === 'redis')
             ->keys();
         $usedConnectionsInHorizon = collect($horizonConfigs)
@@ -72,7 +85,7 @@ public function handle(): int
             ->unique()
             ->values();
 
-        $diff = $redisQueues->diff($usedConnectionsInHorizon);
+        $diff = $redisQueueConnections->diff($usedConnectionsInHorizon);
 
         if (count($diff) > 0) {
             $diff = $diff->implode(',');
@@ -80,7 +93,37 @@ public function handle(): int
         } else {
             $this->info('- Everything looks good!');
         }
+    }
 
-        return self::SUCCESS;
+    protected function checkDefaultQueuesAreProcessed(array $horizonConfigs, array $queueConfigs)
+    {
+        $this->info('Checking your Queue configs...');
+
+        $redisQueueConnections = collect($queueConfigs)
+            ->filter(fn ($queue) => $queue['driver'] === 'redis');
+
+        foreach ($redisQueueConnections as $connectionName => $queueConfig) {
+            $this->info("Checking connection `{$connectionName}`");
+            $errors = collect();
+
+            // check that default queue is processed by horizon
+            $processedQueuesInHorizon = collect($horizonConfigs)
+                ->map(fn ($queue) => $queue['queue'])
+                ->flatten()
+                ->unique()
+                ->values();
+            $defaultQueue = $queueConfig['queue'];
+            if (! $processedQueuesInHorizon->contains($defaultQueue)) {
+                $errors[] = "Default queue `{$defaultQueue}` of connection `{$connectionName}` will not be processed by any worker set in config/horizon.php";
+            }
+
+            if ($errors->count()) {
+                $errors->each(fn ($error) => $this->error("- {$error}"));
+            } else {
+                $this->info('- Everything looks good!');
+            }
+
+            $this->comment('');
+        }
     }
 }