diff --git a/stores/settings-store.ts b/stores/settings-store.ts
index d0f9c008a..d4f2d07a9 100644
--- a/stores/settings-store.ts
+++ b/stores/settings-store.ts
@@ -545,7 +545,7 @@ const DEFAULT_SETTINGS = {
   emailsPerPage: 50,
   externalContentPolicy: 'ask' as ExternalContentPolicy,
   messageSpacing: 'auto' as MessageSpacing,
-  plainTextFont: 'mono' as PlainTextFont,
+  plainTextFont: 'sans' as PlainTextFont,
   mailAttachmentAction: 'preview' as MailAttachmentAction,
   attachmentPosition: 'beside-sender' as AttachmentPosition,
   emailAlwaysLightMode: false,