diff --git a/packages/ui-default/components/scratchpad/DataInputComponent.jsx b/packages/ui-default/components/scratchpad/DataInputComponent.jsx
index 58c0d4233..8fef6b7da 100644
--- a/packages/ui-default/components/scratchpad/DataInputComponent.jsx
+++ b/packages/ui-default/components/scratchpad/DataInputComponent.jsx
@@ -16,6 +16,7 @@ export default function DataInputComponent(props) {
           className="scratchpad__data-input"
           style={{ overflowY: 'scroll' }}
           wrap="off"
+          spellCheck="false"
         >
           {/* eslint-disable-next-line react/no-danger */}
           <pre dangerouslySetInnerHTML={{ __html: value }} contentEditable />
@@ -24,6 +25,7 @@ export default function DataInputComponent(props) {
         <textarea
           className="scratchpad__data-input"
           wrap="off"
+          spellCheck="false"
           value={value}
           onChange={(ev) => {
             ev.stopPropagation();
diff --git a/packages/ui-default/templates/components/form.html b/packages/ui-default/templates/components/form.html
index 04df8ee1d..a1a65b8a4 100644
--- a/packages/ui-default/templates/components/form.html
+++ b/packages/ui-default/templates/components/form.html
@@ -172,6 +172,7 @@
 
 {% macro textarea(args) %}
 {% set markdown = args.markdown or false %}
+{% set nospellcheck = args.nospellcheck or false %}
 <div
   name="form_item_{{ args.name }}"
   {{ container_attr('textarea-container', args) }}
@@ -180,6 +181,7 @@
     name="{{ args.name }}"
     placeholder="{{ args.placeholder }}"
     {% if markdown %}data-markdown{% endif %}
+    {% if nospellcheck %}spellcheck="false"{% endif %}
     {{ form_attr('textbox', args) }}
   >{{ args.value }}</textarea>
 </div>
diff --git a/packages/ui-default/templates/manage_user_import.html b/packages/ui-default/templates/manage_user_import.html
index f9902f606..e163562b4 100644
--- a/packages/ui-default/templates/manage_user_import.html
+++ b/packages/ui-default/templates/manage_user_import.html
@@ -11,7 +11,8 @@
     {{ form.form_textarea({
         columns:null,
         label:'Users',
-        name:'users'
+        name:'users',
+        nospellcheck: true
         }) }}
     <div class="row"><div class="column">
       <button name="preview" class="rounded primary button">{{ _('Preview') }}</button>
diff --git a/packages/ui-default/templates/problem_hack.html b/packages/ui-default/templates/problem_hack.html
index 8c79c7bd3..72c3f2bb8 100644
--- a/packages/ui-default/templates/problem_hack.html
+++ b/packages/ui-default/templates/problem_hack.html
@@ -9,7 +9,7 @@
       </div>
       <div class="section__body">
         <form method="post" enctype="multipart/form-data">
-          {{ form.form_textarea({label:'Input', columns:12, name:'input', extra_class:'monospace', autofocus:true}) }}
+          {{ form.form_textarea({label:'Input', columns:12, name:'input', extra_class:'monospace', autofocus:true, nospellcheck:true}) }}
           <div class="row">
             <div class="medium-12 columns">
               <p>{{ _('Or upload a file:') }} <input type="file" name="file"></p>
diff --git a/packages/ui-default/templates/problem_submit.html b/packages/ui-default/templates/problem_submit.html
index 8fad7ceb4..b160cdaa6 100644
--- a/packages/ui-default/templates/problem_submit.html
+++ b/packages/ui-default/templates/problem_submit.html
@@ -18,7 +18,7 @@
               }) }}
           </div>
           <div class="row nojs--hide" id="codelang-selector"></div>
-          {{ form.form_textarea({label:'Code', columns:12, name:'code', extra_class:'monospace', autofocus:true}) }}
+          {{ form.form_textarea({label:'Code', columns:12, name:'code', extra_class:'monospace', autofocus:true, nospellcheck:true}) }}
           <div class="row">
             <div class="medium-12 columns">
               <p>{{ _('Or upload a file:') }} <input type="file" name="file"></p>