diff --git a/src/staticfile/finalize/data.go b/src/staticfile/finalize/data.go
index fa172e39..e61d0204 100644
--- a/src/staticfile/finalize/data.go
+++ b/src/staticfile/finalize/data.go
@@ -178,6 +178,7 @@ types {
   font/ttf ttf;
   font/woff woff;
   font/woff2 woff2;
+  font/otf otf;
   text/mathml mml;
   text/plain txt;
   text/vnd.sun.j2me.app-descriptor jad;