diff --git a/src/app/utils/videoEmbed.test.ts b/src/app/utils/videoEmbed.test.ts
index 42f1ee546..a5de1d7fc 100644
--- a/src/app/utils/videoEmbed.test.ts
+++ b/src/app/utils/videoEmbed.test.ts
@@ -216,15 +216,18 @@ test('Instagram: p / reel / tv → embed path', () => {
   assert.equal(getInstagramEmbed('https://www.instagram.com/someuser/'), null);
 });
 
-test('Reddit post embed → redditmedia', () => {
+test('Reddit post embed → embed.reddit.com', () => {
   assert.equal(
     getRedditPostEmbed('https://www.reddit.com/r/aww/comments/abc123/cute_cat/'),
     'https://embed.reddit.com/r/aww/comments/abc123/?ref_source=embed&ref=share&embed=true&theme=dark',
   );
   assert.equal(getRedditPostEmbed('https://old.reddit.com/r/aww/comments/xyz/'), 'https://embed.reddit.com/r/aww/comments/xyz/?ref_source=embed&ref=share&embed=true&theme=dark');
   assert.equal(getRedditPostEmbed('https://www.reddit.com/r/aww/'), null); // subreddit, not a post
-  // redd.it short link → comments-only embed (no subreddit in the redirect)
-  assert.equal(getRedditPostEmbed('https://redd.it/1abc23'), 'https://embed.reddit.com/comments/1abc23/?ref_source=embed&ref=share&embed=true&theme=dark');
+  // redd.it short link / i.redd.it media host can't build the /r/<sub>/comments/<id>
+  // path embed.reddit.com requires (a bare /comments/<id> 404s) → null so the caller's
+  // og:url fallback resolves the canonical URL first.
+  assert.equal(getRedditPostEmbed('https://redd.it/1abc23'), null);
+  assert.equal(getRedditPostEmbed('https://i.redd.it/abcd1234.jpg'), null);
 });
 
 test('parseMediaEmbed: Instagram/Reddit → rich, Tidal → audio', () => {
diff --git a/src/app/utils/videoEmbed.ts b/src/app/utils/videoEmbed.ts
index a1b021c07..dd56896e8 100644
--- a/src/app/utils/videoEmbed.ts
+++ b/src/app/utils/videoEmbed.ts
@@ -344,8 +344,9 @@ export function getInstagramEmbed(url: string): string | null {
   }
 }
 
-// --- Reddit (post embed via redditmedia — bypasses the homeserver's blocked
-//     preview fetch, which Reddit serves a bot-check "please wait" page to) ---
+// --- Reddit (post embed via embed.reddit.com — reddit's own oEmbed widget host;
+//     www.redditmedia.com now 301s here. Bypasses the homeserver's blocked preview
+//     fetch, which Reddit serves a bot-check "please wait" page to) ---
 
 const REDDIT_EMBED_QS = '?ref_source=embed&ref=share&embed=true&theme=dark';
 
@@ -353,15 +354,14 @@ export function getRedditPostEmbed(url: string): string | null {
   try {
     const u = new URL(url);
     const h = u.hostname.replace(/^(www|old|new|np|i)\./, '');
-    // redd.it/<id> short link → reddit.com/comments/<id> (no subreddit needed).
-    if (h === 'redd.it') {
-      const id = u.pathname.replace(/^\/+|\/+$/g, '').split('/')[0];
-      return id ? `https://embed.reddit.com/comments/${id}/${REDDIT_EMBED_QS}` : null;
-    }
+    // embed.reddit.com ONLY renders the /r/<sub>/comments/<id> path (verified against
+    // reddit's own embed widgets.js). A bare /comments/<id> — all we could build from a
+    // redd.it short link or an i./v.redd.it media host — serves a "not found" page, so
+    // return null for those and let the caller's og:url fallback resolve the canonical
+    // /r/<sub>/comments/<id> URL (from the redirect) before re-parsing into a real embed.
     if (h !== 'reddit.com') return null;
     const m = u.pathname.match(/^\/r\/([A-Za-z0-9_]+)\/comments\/([A-Za-z0-9]+)/);
     if (!m) return null;
-    // embed.reddit.com is the current host (www.redditmedia.com now 301s here).
     return `https://embed.reddit.com/r/${m[1]}/comments/${m[2]}/${REDDIT_EMBED_QS}`;
   } catch {
     return null;