diff --git a/app/Commands/ShareCommand.php b/app/Commands/ShareCommand.php
index 3ff49c5..72c76bf 100644
--- a/app/Commands/ShareCommand.php
+++ b/app/Commands/ShareCommand.php
@@ -25,6 +25,7 @@ public function handle()
         }
 
         $domain = config('expose.default_domain');
+        $subdomain = config('expose.default_subdomain');
 
         if (! is_null($this->option('server'))) {
             $domain = null;
@@ -36,14 +37,16 @@ public function handle()
 
         if (! is_null($this->option('subdomain'))) {
             $subdomains = explode(',', $this->option('subdomain'));
-            $this->info('Trying to use custom domain: '.$subdomains[0]);
+        } elseif (! is_null($subdomain)) {
+            $subdomains = [$subdomain];
         } else {
             $host = Str::beforeLast($this->argument('host'), '.');
             $host = Str::beforeLast($host, ':');
             $subdomains = [Str::slug($host)];
-            $this->info('Trying to use custom domain: '.$subdomains[0].PHP_EOL);
         }
 
+        $this->info('Trying to use custom domain: '.$subdomains[0].PHP_EOL);
+
         (new Factory())
             ->setLoop(app(LoopInterface::class))
             ->setHost($this->getServerHost())
diff --git a/config/expose.php b/config/expose.php
index 6abbd3a..8f575c8 100644
--- a/config/expose.php
+++ b/config/expose.php
@@ -85,6 +85,18 @@
     */
     'default_domain' => null,
 
+    /*
+    |--------------------------------------------------------------------------
+    | Default Subdomain
+    |--------------------------------------------------------------------------
+    |
+    | The custom subdomain to use when sharing sites with Expose.
+    | You can reserve subdomains using Expose Pro.
+    | Learn more at: https://expose.dev/get-pro
+    |
+    */
+    'default_subdomain' => null,
+
     /*
     |--------------------------------------------------------------------------
     | Default TLD