diff --git a/src/import-page/file-section/FileSection.jsx b/src/import-page/file-section/FileSection.jsx
index bbc89a53b..740e6d9e9 100644
--- a/src/import-page/file-section/FileSection.jsx
+++ b/src/import-page/file-section/FileSection.jsx
@@ -41,7 +41,7 @@ const FileSection = ({ intl, courseId }) => {
                   handleError,
                 ))
               }
-              accept={{ 'application/gzip': ['.tar.gz'] }}
+              accept={{ 'application/x-tar.gz': ['.tar.gz'] }}
               data-testid="dropzone"
               style={{ height: '200px' }}
             />