diff --git a/brutaldon/models.py b/brutaldon/models.py
index b8cb58f..ebffb3f 100644
--- a/brutaldon/models.py
+++ b/brutaldon/models.py
@@ -54,7 +54,10 @@ class Preference(models.Model):
         default=False,
         help_text=_(
             'Show preview for media marked as "sensitive"'))
-
+    open_detail = models.BooleanField(
+        default=False,
+        help_text=_(
+            'Open details (posts with subjects) by default'))
     no_javascript = models.BooleanField(
         default=False,
         help_text=_(
diff --git a/brutaldon/templates/main/toot_partial.html b/brutaldon/templates/main/toot_partial.html
index 2dfca7c..a8954df 100644
--- a/brutaldon/templates/main/toot_partial.html
+++ b/brutaldon/templates/main/toot_partial.html
@@ -41,7 +41,11 @@
             {% endif %}
         </p>
         {% if toot.spoiler_text %}
-            <details class="toot">
+            <details class="toot"
+            {% if preferences.open_detail %}
+            open=""
+            {% endif %}
+            >
                 <summary><strong>{{ toot.spoiler_text }} </strong></summary>
                 <div class="toot">
                     {{ toot.content | relink_toot | fix_emojos:toot.emojis | strip_html | safe }}
diff --git a/brutaldon/templates/setup/settings.html b/brutaldon/templates/setup/settings.html
index 3c37240..d074381 100644
--- a/brutaldon/templates/setup/settings.html
+++ b/brutaldon/templates/setup/settings.html
@@ -37,6 +37,24 @@
                         {% render_field form.preview_sensitive class+="checkbox" %}
                         {{ form.preview_sensitive.label }}
                     </label>
+                </div>
+                <div class="column is-quarter">
+                    <p class="notification is-info preferences-help">
+                        {{ form.preview_sensitive.help_text }}
+                    </p>
+                </div>
+			</div>
+            <div class="columns">
+                <div class="column is-quarter">
+                    <label class="label checkbox" for="id_open_details">
+                        {% render_field form.open_detail class+="checkbox" %}
+                        {{ form.open_detail.label }}
+                    </label>
+                </div>
+                <div class="column is-quarter">
+                    <p class="notification is-info preferences-help">
+                        {{ form.open_detail.help_text }}
+                    </p>
                 </div>
 			</div>
             <h2 class="subtitle">Timeline Options</h2>