diff --git a/src/HtmlUtils.tsx b/src/HtmlUtils.tsx
index 27556a4012..2eee5214af 100644
--- a/src/HtmlUtils.tsx
+++ b/src/HtmlUtils.tsx
@@ -57,10 +57,33 @@ const BIGEMOJI_REGEX = new RegExp(`^(${EMOJIBASE_REGEX.source})+$`, 'i');
 
 const COLOR_REGEX = /^#[0-9a-fA-F]{6}$/;
 
-export const PERMITTED_URL_SCHEMES = ["bitcoin", "ftp", "geo", "http", "https", "im", "irc",
-                                     "ircs", "magnet", "mailto", "matrix", "mms", "news",
-                                     "nntp", "openpgp4fpr", "sip", "sftp", "sms", "smsto",
-                                     "ssh", "tel", "urn", "webcal", "wtai", "xmpp"];
+export const PERMITTED_URL_SCHEMES = [
+    "bitcoin",
+    "ftp",
+    "geo",
+    "http",
+    "https",
+    "im",
+    "irc",
+    "ircs",
+    "magnet",
+    "mailto",
+    "matrix",
+    "mms",
+    "news",
+    "nntp",
+    "openpgp4fpr",
+    "sip",
+    "sftp",
+    "sms",
+    "smsto",
+    "ssh",
+    "tel",
+    "urn",
+    "webcal",
+    "wtai",
+    "xmpp",
+];
 
 const MEDIA_API_MXC_REGEX = /\/_matrix\/media\/r0\/(?:download|thumbnail)\/(.+?)\/(.+?)(?:[?/]|$)/;