diff --git a/question/type/multichoice/renderer.php b/question/type/multichoice/renderer.php
index 3c22b3d3fd1..e6516b81a6b 100644
--- a/question/type/multichoice/renderer.php
+++ b/question/type/multichoice/renderer.php
@@ -113,7 +113,7 @@ abstract class qtype_multichoice_renderer_base extends qtype_with_combined_feedb
             $choice = html_writer::div($choicetext, 'flex-fill ml-1');
 
             $radiobuttons[] = $hidden . html_writer::empty_tag('input', $inputattributes) .
-                    html_writer::div($choicenumber . $choice, 'd-flex w-100', [
+                    html_writer::div($choicenumber . $choice, 'd-flex w-auto', [
                         'id' => $inputattributes['id'] . '_label',
                         'data-region' => 'answer-label',
                     ]);
diff --git a/theme/boost/scss/moodle/question.scss b/theme/boost/scss/moodle/question.scss
index f545b6ebbda..2b603afccdd 100644
--- a/theme/boost/scss/moodle/question.scss
+++ b/theme/boost/scss/moodle/question.scss
@@ -656,6 +656,10 @@ a#hidebankcmd {
     display: inline;
 }
 
+.que .content .answer div[data-region="answer-label"] .mediaplugin {
+    width: 400px;
+}
+
 body.path-question-type .mform fieldset.hidden {
     padding: 0;
     margin: 0.7em 0 0;
diff --git a/theme/boost/style/moodle.css b/theme/boost/style/moodle.css
index 6810474d814..00f26e0bcae 100644
--- a/theme/boost/style/moodle.css
+++ b/theme/boost/style/moodle.css
@@ -16581,6 +16581,9 @@ a#hidebankcmd {
 .que label {
   display: inline; }
 
+.que .content .answer div[data-region="answer-label"] .mediaplugin {
+  width: 400px; }
+
 body.path-question-type .mform fieldset.hidden {
   padding: 0;
   margin: 0.7em 0 0; }
diff --git a/theme/classic/style/moodle.css b/theme/classic/style/moodle.css
index e57d9d20e3f..ef5babe5def 100644
--- a/theme/classic/style/moodle.css
+++ b/theme/classic/style/moodle.css
@@ -16581,6 +16581,9 @@ a#hidebankcmd {
 .que label {
   display: inline; }
 
+.que .content .answer div[data-region="answer-label"] .mediaplugin {
+  width: 400px; }
+
 body.path-question-type .mform fieldset.hidden {
   padding: 0;
   margin: 0.7em 0 0; }