diff --git a/views/static/api.jade b/views/static/api.jade
index 0fd99bcde7..d0ee3e35db 100644
--- a/views/static/api.jade
+++ b/views/static/api.jade
@@ -1,4 +1,4 @@
-doctype 5
+doctype html
 html
   head
     title Swagger UI