diff --git a/bookwyrm/static/js/bookwyrm.js b/bookwyrm/static/js/bookwyrm.js
index a4002c2d3..45044b034 100644
--- a/bookwyrm/static/js/bookwyrm.js
+++ b/bookwyrm/static/js/bookwyrm.js
@@ -177,6 +177,12 @@ let BookWyrm = new class {
             this.toggleCheckbox(checkbox, pressed);
         }
 
+        // Toggle form disabled, if appropriate
+        let disable = trigger.dataset.disables;
+        if (disable) {
+            this.toggleDisabled(disable, !pressed);
+        }
+
         // Set focus, if appropriate.
         let focus = trigger.dataset.focusTarget;
 
@@ -227,6 +233,17 @@ let BookWyrm = new class {
         document.getElementById(checkbox).checked = !!pressed;
     }
 
+    /**
+     * Enable or disable a form element or fieldset
+     *
+     * @param  {string}  form_element - id of the element
+     * @param  {boolean} pressed  - Is the trigger pressed?
+     * @return {undefined}
+     */
+    toggleDisabled(form_element, pressed) {
+        document.getElementById(form_element).disabled = !!pressed;
+    }
+
     /**
      * Give the focus to an element.
      * Only move the focus based on user interactions.
diff --git a/bookwyrm/templates/snippets/reading_modals/layout.html b/bookwyrm/templates/snippets/reading_modals/layout.html
index 877f14ef9..5190ada49 100644
--- a/bookwyrm/templates/snippets/reading_modals/layout.html
+++ b/bookwyrm/templates/snippets/reading_modals/layout.html
@@ -8,8 +8,8 @@
 
 {% with 0|uuid as local_uuid %}
 <div class="is-flex is-justify-content-space-between">
-    <label for="post_status_start_{{ uuid }}" data-controls="reading_content_{{ local_uuid }}_{{ uuid }}" data-controls-checkbox="post_status_start_{{ local_uuid }}_{{ uuid }}" aria-pressed="true">
-        <input type="checkbox" name="post-status" class="checkbox" id="post_status_start_{{ local_uuid }}_{{ uuid }}" checked>
+    <label for="post_status_{{ local_uuid }}_{{ uuid }}" data-controls="reading_content_{{ local_uuid }}_{{ uuid }}" data-controls-checkbox="post_status_{{ local_uuid }}_{{ uuid }}" data-disables="reading_content_fieldset_{{ local_uuid }}_{{ uuid }}" aria-pressed="true">
+        <input type="checkbox" name="post-status" class="checkbox" id="post_status_{{ local_uuid }}_{{ uuid }}" checked>
         {% trans "Post to feed" %}
     </label>
     <div class="is-hidden" id="hide_reading_content_{{ local_uuid }}_{{ uuid }}">
@@ -19,7 +19,9 @@
 
 <div id="reading_content_{{ local_uuid }}_{{ uuid }}">
     <hr aria-hidden="true">
-    {% include "snippets/reading_modals/form.html" %}
+    <fieldset id="reading_content_fieldset_{{ local_uuid }}_{{ uuid }}">
+        {% include "snippets/reading_modals/form.html" %}
+    </fieldset>
 </div>
 {% endwith %}
 
diff --git a/bookwyrm/templates/snippets/reading_modals/want_to_read_modal.html b/bookwyrm/templates/snippets/reading_modals/want_to_read_modal.html
index 5669610cf..f4f214c89 100644
--- a/bookwyrm/templates/snippets/reading_modals/want_to_read_modal.html
+++ b/bookwyrm/templates/snippets/reading_modals/want_to_read_modal.html
@@ -10,4 +10,5 @@ Want to Read "<em>{{ book_title }}</em>"
 
 {% block modal-form-open %}
 <form name="shelve" action="{% url 'reading-status' 'want' book.id %}" method="post">
+{% csrf_token %}
 {% endblock %}