diff --git a/src/components/AddMapButton.js b/src/components/AddMapButton.js
index 0623b6b..5a67a02 100644
--- a/src/components/AddMapButton.js
+++ b/src/components/AddMapButton.js
@@ -8,7 +8,7 @@ const defaultMapSize = 22;
 function AddMapButton({ handleMapChange }) {
   const fileInputRef = useRef();
 
-  function openImageDialog(e) {
+  function openImageDialog() {
     if (fileInputRef.current) {
       fileInputRef.current.click();
     }