diff --git a/src/components/header/header.js b/src/components/header/header.js
index ceb2397d..35795386 100644
--- a/src/components/header/header.js
+++ b/src/components/header/header.js
@@ -269,6 +269,6 @@ export default function Header({
   }
 
   function getYear(year, month) {
-    return typeof formatMonth === "function" ? formatYear(year, month) : year;
+    return typeof formatYear === "function" ? formatYear(year, month) : year;
   }
 }