diff --git a/src/font/system.rs b/src/font/system.rs
index c0f92a5..87931f8 100644
--- a/src/font/system.rs
+++ b/src/font/system.rs
@@ -146,8 +146,8 @@ impl FontSystem {
         Self::load_fonts(&mut db, fonts.into_iter());
 
         //TODO: configurable default fonts
-        db.set_monospace_family("Fira Mono");
-        db.set_sans_serif_family("Fira Sans");
+        db.set_monospace_family("Noto Sans Mono");
+        db.set_sans_serif_family("Open Sans");
         db.set_serif_family("DejaVu Serif");
 
         Self::new_with_locale_and_db(locale, db)