diff --git a/theme.css b/theme.css
index cb8d1d5..0f1be36 100644
--- a/theme.css
+++ b/theme.css
@@ -5,7 +5,7 @@
 
 @font-face {
   font-family: 'UbuntuMono';
-  src: url('./fonts/ubuntu-mono.ttf') format('truetype');
+  src: url('./fonts/ubuntu-mono.ttf');
 }
 
 :root {