diff --git a/public/question/bank/viewquestiontext/templates/question_text_format.mustache b/public/question/bank/viewquestiontext/templates/question_text_format.mustache
index 1eef659de58..2db4ef4fb48 100644
--- a/public/question/bank/viewquestiontext/templates/question_text_format.mustache
+++ b/public/question/bank/viewquestiontext/templates/question_text_format.mustache
@@ -41,7 +41,7 @@
         <label class="input-group-text" for="question-text-format">
             {{label}}
         </label>
-        <select class="form-select" name="format" id="question-text-format">
+        <select class="form-select dropdown-toggle" name="format" id="question-text-format">
         {{#options}}
             <option value="{{value}}"{{#selected}} selected{{/selected}}>{{label}}</option>
         {{/options}}
@@ -53,4 +53,5 @@
     require(['qbank_viewquestiontext/question_text_format'], QuestionTextFormat => {
         QuestionTextFormat.init('questionscontainer');
     });
-{{/js}}
\ No newline at end of file
+{{/js}}
+