diff --git a/src/activitypub/notes.js b/src/activitypub/notes.js
index c7e7b332c3..130cb1874f 100644
--- a/src/activitypub/notes.js
+++ b/src/activitypub/notes.js
@@ -159,7 +159,7 @@ Notes.assert = async (uid, input, options = { skipChecks: false }) => {
 				let prettified = pretty(content || sourceContent);
 
 				// Remove any lines that contain quote-post fallbacks
-				prettified = prettified.split('\n').filter(line => !line.startsWith('<p class="quote-inline"')).join('\'n');
+				prettified = prettified.split('\n').filter(line => !line.startsWith('<p class="quote-inline"')).join('\n');
 				const sentences = tokenizer.sentences(prettified, { sanitize: true, newline_boundaries: true });
 				title = sentences.shift();
 			}