diff --git a/files/templates/post.html b/files/templates/post.html
index 136d88dd9..ca0a50f5c 100644
--- a/files/templates/post.html
+++ b/files/templates/post.html
@@ -149,7 +149,7 @@
 								{% endif %}
 
 								{% if p.url and p.url.startswith('https://old.reddit.com/r/') %}
-									<iframe id="reddit-embed" class="border-0" src="{{p.url.replace('https://old.reddit.com/', 'https://embed.reddit.com/').split('?')[0]}}?context=1&showtitle=true{% if v.theme in DARK_THEMES %}&theme=dark{% endif %}" height="317px" width="640px"></iframe>
+									<iframe id="reddit-embed" class="border-0" src="{{p.url.replace('https://old.reddit.com/', 'https://embed.reddit.com/').split('?')[0]}}?context=1&showtitle=true{% if v.theme in DARK_THEMES %}&theme=dark{% endif %}" height="317px" width="100%"></iframe>
 									<script defer src="{{'js/reddit_embed.js' | asset}}"></script>
 								{% endif %}