diff --git a/src/index.ts b/src/index.ts
index 85c55bf1..54c11c79 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,4 +1,5 @@
 // tslint:disable no-console
+// tslint:disable restrict-plus-operands
 
 import Rx = require('rxjs/Rx')