diff --git a/public/mod/assign/templates/override_delete_modal.mustache b/public/mod/assign/templates/override_delete_modal.mustache
index af833401d1d..df83fe3b005 100644
--- a/public/mod/assign/templates/override_delete_modal.mustache
+++ b/public/mod/assign/templates/override_delete_modal.mustache
@@ -27,12 +27,12 @@
     {{$body}}
         <div class="container">
             <form>
-                <div class="form-group row">
+                <div class="row mb-3">
                     <p>{{confirmmessage}}</p>
                 </div>
 
                 {{#showpenaltyrecalculation}}
-                    <div class="form-group row">
+                    <div class="row mb-3">
                         <div class="form-check form-check-inline">
                             <input class="form-check-input" type="checkbox" id="recalculatepenalties" name="recalculatepenalties"/>