diff --git a/app/assets/javascripts/admin/templates/modal/admin-import-theme.hbs b/app/assets/javascripts/admin/templates/modal/admin-import-theme.hbs
index 6263ca6e0e8..c00f67c941e 100644
--- a/app/assets/javascripts/admin/templates/modal/admin-import-theme.hbs
+++ b/app/assets/javascripts/admin/templates/modal/admin-import-theme.hbs
@@ -4,7 +4,7 @@
     <label class="radio" for="local">{{i18n 'upload_selector.from_my_computer'}}</label>
     {{#if local}}
       <div class="inputs">
-        <input type="file" id="file-input" accept='.dcstyle.json'><br>
+        <input type="file" id="file-input" accept='.dcstyle.json,application/json'><br>
         <span class="description">{{i18n 'admin.customize.theme.import_file_tip'}}</span>
       </div>
     {{/if}}