diff --git a/mail/views.py b/mail/views.py
index ff20f42..53d507a 100644
--- a/mail/views.py
+++ b/mail/views.py
@@ -13,7 +13,9 @@ class MailView(ContextMixin):
         self.html_template_name = html_template_name
         self.text_template_name = text_template_name
 
-        if self._template_name := template_name:
+        if template_name:
+            self._template_name = template_name
+
             if len(template_name.split("/")[-1].split(".")[-1] in ("html", "txt")):
                 basename = template_name.rsplit(".", 1)[0]
             else:
@@ -42,7 +44,7 @@ class MailView(ContextMixin):
             context = self.get_context_data(**kwargs)
             return render_to_string(self.text_template_name, context)
         else:
-            if from_html and html := self.render_to_html(**kwargs):
+            if from_html and (html := self.render_to_html(**kwargs)):
                 return BeautifulSoup(html).get_text()
 
         return None