diff --git a/files/helpers/sanitize.py b/files/helpers/sanitize.py
index 4ef3b7442..8ba32540a 100644
--- a/files/helpers/sanitize.py
+++ b/files/helpers/sanitize.py
@@ -275,9 +275,9 @@ def sanitize(sanitized, noimages=False, alert=False, comment=False, edit=False):
 
 	if not noimages:
 		for i in re.finditer('>(https://.*?\.(mp4|webm|mov|MP4|WEBM|MOV))</a></p>', sanitized):
-			sanitized = sanitized.replace(f'<p><a href="{i.group(1)}" rel="nofollow noopener noreferrer" target="_blank">{i.group(1)}</a></p>', f'<p><video controls preload="none" class="embedvid"><source src="{i.group(1)}" type="video/{i.group(2)}"></video>')
+			sanitized = sanitized.replace(f'<p><a href="{i.group(1)}" rel="nofollow noopener noreferrer" target="_blank">{i.group(1)}</a></p>', f'<p><video controls preload="none" class="embedvid"><source src="{i.group(1)}" type="video/mp4"></video>')
 		for i in re.finditer('<p>(https:.*?\.(mp4|webm|mov|MP4|WEBM|MOV))</p>', sanitized):
-			sanitized = sanitized.replace(i.group(0), f'<p><video controls preload="none" class="embedvid"><source src="{i.group(1)}" type="video/{i.group(2)}"></video>')
+			sanitized = sanitized.replace(i.group(0), f'<p><video controls preload="none" class="embedvid"><source src="{i.group(1)}" type="video/mp4"></video>')
 
 	for rd in ["://reddit.com", "://new.reddit.com", "://www.reddit.com", "://redd.it", "://libredd.it"]:
 		sanitized = sanitized.replace(rd, "://old.reddit.com")