diff --git a/lib/preboot.less b/lib/preboot.less
index b90021ebe2..3e53dcf9bd 100644
--- a/lib/preboot.less
+++ b/lib/preboot.less
@@ -105,7 +105,7 @@
     line-height: @lineHeight;
   }
   .serif(@weight: normal, @size: 14px, @lineHeight: 20px) {
-    font-family: "Georgia", Times New Roman, Times, sans-serif;
+    font-family: "Georgia", Times New Roman, Times, serif;
     font-size: @size;
     font-weight: @weight;
     line-height: @lineHeight;