diff --git a/types/pikaday/index.d.ts b/types/pikaday/index.d.ts
index 9dc370054f..883473e07e 100644
--- a/types/pikaday/index.d.ts
+++ b/types/pikaday/index.d.ts
@@ -54,7 +54,7 @@ declare class Pikaday {
     /**
      * Set the current selection with a Moment.js object (see setDate).
      */
-    setMoment(moment: any): void;
+    setMoment(moment: any, preventOnSelect?: boolean): void;
 
     /**
      * Change the current view to see a specific date.