diff --git a/src/modules/fedimbed.js b/src/modules/fedimbed.js
index bc90416..d484fdc 100644
--- a/src/modules/fedimbed.js
+++ b/src/modules/fedimbed.js
@@ -383,7 +383,7 @@ async function blueskyQuoteEmbed(quote) {
         const domain = lookup.service.find((service) => service.id === "#atproto_pds").serviceEndpoint;
         const videoUrl = `${domain}/xrpc/com.atproto.sync.getBlob?did=${quote.author.did}&cid=${embed.cid}`;
 
-        videos.push({media: {url: videoUrl}, description: embed.alt.length > 0 ? embed.alt : null});
+        videos.push({media: {url: videoUrl}, description: embed.alt?.length > 0 ? embed.alt : null});
         break;
       }
       case "app.bsky.embed.recordWithMedia#view": {
@@ -399,7 +399,7 @@ async function blueskyQuoteEmbed(quote) {
           const domain = lookup.service.find((service) => service.id === "#atproto_pds").serviceEndpoint;
           const videoUrl = `${domain}/xrpc/com.atproto.sync.getBlob?did=${quote.author.did}&cid=${embed.media.cid}`;
 
-          videos.push({media: {url: videoUrl}, description: embed.alt.length > 0 ? embed.alt : null});
+          videos.push({media: {url: videoUrl}, description: embed.alt?.length > 0 ? embed.alt : null});
         }
         break;
       }
@@ -520,7 +520,7 @@ async function bluesky(msg, url, spoiler = false) {
         const domain = lookup.service.find((service) => service.id === "#atproto_pds").serviceEndpoint;
         const videoUrl = `${domain}/xrpc/com.atproto.sync.getBlob?did=${post.author.did}&cid=${post.embed.cid}`;
 
-        videos.push({media: {url: videoUrl}, description: post.embed.alt.length > 0 ? post.embed.alt : null});
+        videos.push({media: {url: videoUrl}, description: post.embed.alt?.length > 0 ? post.embed.alt : null});
         break;
       }
       case "app.bsky.embed.record#view": {
@@ -550,7 +550,7 @@ async function bluesky(msg, url, spoiler = false) {
           const domain = lookup.service.find((service) => service.id === "#atproto_pds").serviceEndpoint;
           const videoUrl = `${domain}/xrpc/com.atproto.sync.getBlob?did=${post.author.did}&cid=${post.embed.media.cid}`;
 
-          videos.push({media: {url: videoUrl}, description: post.embed.alt.length > 0 ? post.embed.alt : null});
+          videos.push({media: {url: videoUrl}, description: post.embed.alt?.length > 0 ? post.embed.alt : null});
         } else if (post.embed.media.$type === "app.bsky.embed.external#view") {
           if (post.embed.media.external.uri.includes("tenor.com")) {
             const url = new URL(post.embed.media.external.uri);