diff --git a/src/store/index.js b/src/store/index.js
index 9def78d..de3fe60 100644
--- a/src/store/index.js
+++ b/src/store/index.js
@@ -162,7 +162,7 @@ export default {
     actions: {
         async loadDocument({ commit }, file = null ) {
             if ( !file ) {
-                const fileList = await selectFile( `${PROJECT_FILE_EXTENSION},${ACCEPTED_FILE_TYPES.split( "," )}`, false );
+                const fileList = await selectFile( `${PROJECT_FILE_EXTENSION},${ACCEPTED_FILE_TYPES.join( "," )}`, false );
                 if ( !fileList?.length ) {
                     return;
                 }