diff --git a/templates/index.html.ep b/templates/index.html.ep
index a29ced3..fa641f7 100644
--- a/templates/index.html.ep
+++ b/templates/index.html.ep
@@ -320,7 +320,7 @@
      }
 
      .mono {
-       font-family: "DejaVu Sans Mono", Inconsolata, SourceCodePro, Courier;
+       font-family: "DejaVu Sans Mono", Inconsolata, SourceCodePro, "Courier New", Courier, monospace;
      }
 
      .ui-tooltip-content {