diff --git a/lib/csp.ts b/lib/csp.ts
index b778e7c32..3fd68c085 100644
--- a/lib/csp.ts
+++ b/lib/csp.ts
@@ -2,7 +2,7 @@ import { config } from './config'
 
 var uuid = require('uuid')
 
-var CspStrategy = {}
+var CspStrategy: any = {}
 
 var defaultDirectives = {
   defaultSrc: ['\'self\''],