diff --git a/app/javascript/mastodon/features/emoji/emoji.js b/app/javascript/mastodon/features/emoji/emoji.js
index 382ba683fcad5682355b42171d5a9f36191101b1..7bcda63eb78978316cf57009248cc3740e6c8057 100644
--- a/app/javascript/mastodon/features/emoji/emoji.js
+++ b/app/javascript/mastodon/features/emoji/emoji.js
@@ -11,7 +11,7 @@ const darkEmoji = '🎱ðŸœâš«ðŸ–¤â¬›â—¼ï¸â—¾â—¼ï¸âœ’ï¸â–ªï¸ðŸ’£ðŸŽ³ðŸ“·ðŸ“¸
const lightEmoji = '👽⚾ðŸ”â˜ï¸ðŸ’¨ðŸ•Šï¸ðŸ‘€ðŸ¥ðŸ‘»ðŸâ•â”⛸ï¸ðŸŒ©ï¸ðŸ”ŠðŸ”‡ðŸ“ƒðŸŒ§ï¸ðŸðŸšðŸ™ðŸ“ðŸ‘💀☠ï¸ðŸŒ¨ï¸ðŸ”‰ðŸ”ˆðŸ’¬ðŸ’ðŸðŸ³ï¸âšªâ¬œâ—½â—»ï¸â–«ï¸';
const emojiFilename = (filename, match) => {
- const borderedEmoji = document.body.classList.contains('theme-mastodon-light') ? lightEmoji : darkEmoji;
+ const borderedEmoji = (document.body && document.body.classList.contains('theme-mastodon-light')) ? lightEmoji : darkEmoji;
return borderedEmoji.includes(match) ? (filename + '_border') : filename;
};