diff --git a/src/Command/MailCommand.php b/src/Command/MailCommand.php
index 3fe18ca..b814921 100644
--- a/src/Command/MailCommand.php
+++ b/src/Command/MailCommand.php
@@ -32,7 +32,7 @@ public function __construct(
 
     protected function getStub(): string
     {
-        return $this->getConfig()['stub'] ?? ($this->input->getOption('markdown') !== false ? __DIR__ . '/stubs/mail.stub' : __DIR__ . '/stubs/markdown-mail.stub');
+        return $this->getConfig()['stub'] ?? ($this->input->getOption('markdown') ? __DIR__ . '/stubs/markdown-mail.stub' : __DIR__ . '/stubs/mail.stub');
     }
 
     protected function getDefaultNamespace(): string
@@ -81,7 +81,7 @@ protected function getView(): string
     {
         $view = $this->input->getOption('markdown');
 
-        if (! $view) {
+        if (! is_string($view) || $view === '') {
             $name = str_replace('\\', '/', $this->input->getArgument('name'));
 
             $view = 'mail.' . collect(explode('/', $name))
@@ -103,7 +103,7 @@ protected function buildClass(string $name): string
             parent::buildClass($name)
         );
 
-        if ($this->input->getOption('markdown') !== false) {
+        if ($this->input->getOption('markdown')) {
             $class = str_replace(['DummyView', '{{ view }}'], $this->getView(), $class);
         }
 
diff --git a/src/Mailer.php b/src/Mailer.php
index b39087f..7579cee 100644
--- a/src/Mailer.php
+++ b/src/Mailer.php
@@ -285,9 +285,9 @@ protected function sendMailable(MailableContract $mailable): ?SentMessage
     /**
      * Parse the given view name or array.
      */
-    protected function parseView(null|Closure|array|string $view): array
+    protected function parseView(null|Closure|Htmlable|HtmlString|array|string $view): array
     {
-        if (is_string($view) || $view instanceof Closure) {
+        if (is_string($view) || $view instanceof Closure || $view instanceof Htmlable || $view instanceof HtmlString) {
             return [$view, null, null];
         }
 
@@ -315,7 +315,7 @@ protected function parseView(null|Closure|array|string $view): array
     /**
      * Add the content to a given message.
      */
-    protected function addContent(Message $message, null|Closure|string $view, null|Closure|string $plain, ?string $raw, array $data = []): void
+    protected function addContent(Message $message, null|Closure|Htmlable|HtmlString|string $view, null|Closure|Htmlable|HtmlString|string $plain, ?string $raw, array $data = []): void
     {
         if (isset($view)) {
             $message->html($this->renderView($view, $data) ?: ' ');
@@ -333,7 +333,7 @@ protected function addContent(Message $message, null|Closure|string $view, null|
     /**
      * Render the given view.
      */
-    protected function renderView(Closure|string $view, array $data): string
+    protected function renderView(Closure|Htmlable|HtmlString|string $view, array $data): string
     {
         $view = value($view, $data);
         if ($view instanceof Htmlable) {