diff --git a/scripts/fetch-blog-feed.sh b/scripts/fetch-blog-feed.sh
--- a/scripts/fetch-blog-feed.sh
+++ b/scripts/fetch-blog-feed.sh
@@ -8,4 +8,4 @@
 
 # HTML-escape unicode characters because Jekyll complains about them despite
 # these characters being within strings.
-sed -i 's/\\\(u[a-z0-9]\{4\}\)/\&#x\1;/g' blog-feed.json
+sed -i 's/\\\u([a-z0-9]\{4\}\)/\&#x\1;/g' blog-feed.json