diff --git a/web/assets/style.css b/web/assets/style.css
index 5cee279fc8..91bb4bd8ae 100644
--- a/web/assets/style.css
+++ b/web/assets/style.css
@@ -93,7 +93,7 @@ html, body {
         border-left:10px solid #8f9698;
         background:#f3f6f8;
         font-size:15px;
-        font-family:courier;
+        font-family:courier, monospace;
         letter-spacing:0;
         line-height:17px;
       }