diff --git a/src/newsreader/news/collection/reddit.py b/src/newsreader/news/collection/reddit.py
index c713e17..5b54762 100644
--- a/src/newsreader/news/collection/reddit.py
+++ b/src/newsreader/news/collection/reddit.py
@@ -150,11 +150,11 @@ class RedditBuilder(Builder):
                     else ""
                 )
             elif direct_url.endswith(REDDIT_IMAGE_EXTENSIONS):
-                body = f"<div><img alt='{title}' src='{direct_url}' loading='lazy' /></div>"
+                body = f'<div><img alt="{title}" src="{direct_url}" loading="lazy" /></div>'
             elif data["is_video"]:
                 video_info = data["secure_media"]["reddit_video"]
 
-                body = f"<div><video controls muted><source src='{video_info['fallback_url']}' type='video/mp4' /></video></div>"
+                body = f'<div><video controls muted><source src="{video_info["fallback_url"]}" type="video/mp4" /></video></div>'
             elif direct_url.endswith(REDDIT_VIDEO_EXTENSIONS):
                 extension = next(
                     extension.replace(".", "")
@@ -163,11 +163,11 @@ class RedditBuilder(Builder):
                 )
 
                 if extension == "gifv":
-                    body = f"<div><video controls muted><source src='{direct_url.replace(extension, 'mp4')}' type='video/mp4' /></video></div>"
+                    body = f'<div><video controls muted><source src="{direct_url.replace(extension, "mp4")}" type="video/mp4" /></video></div>'
                 else:
-                    body = f"<div><video controls muted><source src='{direct_url}' type='video/{extension}' /></video></div>"
+                    body = f'<div><video controls muted><source src="{direct_url}" type="video/{extension}" /></video></div>'
             else:
-                body = f"<div><a target='_blank' rel='noopener noreferrer' alt='{title}' href='{direct_url}' class='link'>Direct url</a></div>"
+                body = f'<div><a target="_blank" rel="noopener noreferrer" alt="{title}" href="{direct_url}" class="link">Direct url</a></div>'
 
             try:
                 parsed_date = datetime.fromtimestamp(post["data"]["created_utc"])