diff --git a/fine-uploader/index.d.ts b/fine-uploader/index.d.ts
index b888708d97..be5a90b989 100644
--- a/fine-uploader/index.d.ts
+++ b/fine-uploader/index.d.ts
@@ -150,7 +150,7 @@ declare namespace qq {
 
     interface ValidationOptions {
         acceptFiles?: MimeType[] | null;    // default: null
-        allowExtensions?: string[];         // default: []
+        allowedExtensions?: string[];       // default: []
         itemLimit?: number;                 // default: 0
         minSizeLimit?: number;              // default: 0
         sizeLimit?: number;                 // default: 0
diff --git a/fine-uploader/test/validation.ts b/fine-uploader/test/validation.ts
index fb0b1276ea..b6400d44b8 100644
--- a/fine-uploader/test/validation.ts
+++ b/fine-uploader/test/validation.ts
@@ -4,7 +4,7 @@ function validationTest() {
 
     const validationOptions: qq.ValidationOptions = {
         acceptFiles: [new MimeType()],
-        allowExtensions: ['csv, xls'],
+        allowedExtensions: ['csv, xls'],
         itemLimit: 5,
         sizeLimit: 10000000,
         stopOnFirstInvalidFile: false,