diff --git a/extensions/b2g/viewer.css b/extensions/b2g/viewer.css
index 52f3b8478..34c38852e 100644
--- a/extensions/b2g/viewer.css
+++ b/extensions/b2g/viewer.css
@@ -30,7 +30,7 @@ html {
 body {
   background: url(images/document_bg.png);
   color: #fff;
-  font-family: "MozTT", sans-serif;
+  font-family: sans-serif;
   font-size: 10px;
   height: 100%;
   width: 100%;