diff --git a/calq/calq.d.ts b/calq/calq.d.ts
index 390124c1e..331b89720 100644
--- a/calq/calq.d.ts
+++ b/calq/calq.d.ts
@@ -21,7 +21,7 @@ declare module Calq
         trackPageView(action?:string):void;
 
         setGlobalProperty(name:string, value:any):void;
-        setGlobalProperty(params?: {[index:string]: any}):void;
+        setGlobalProperty(params: {[index:string]: any}):void;
     }
 
     interface User