diff --git a/html/main.html b/html/main.html
index 097268dc..dd8cd339 100644
--- a/html/main.html
+++ b/html/main.html
@@ -1,5 +1,5 @@
 <%define "mainPage"%><!doctype html>
-<html class="no-js" <%if.Csp%>ng-csp<%end%>>
+<html class="no-js"<%if.Csp%> ng-csp<%end%>>
 <head>
 <%template "head" .%>
 </head>
