diff --git a/gadjo/static/css/_forms.scss b/gadjo/static/css/_forms.scss
index 44a57f4..60f3cfb 100644
--- a/gadjo/static/css/_forms.scss
+++ b/gadjo/static/css/_forms.scss
@@ -399,3 +399,21 @@ form.small button + a.button {
 .field-live-hint button.close::after {
 	content: "×";
 }
+
+form {
+	.widget-optional span.optional {
+		display: none;
+	}
+}
+
+form.pk-mark-optional-fields {
+	.widget-required {
+		span.required {
+			display: none;
+		}
+	}
+	.widget-optional span.optional {
+		display: inline;
+		font-style: italic;
+	}
+}
diff --git a/gadjo/templates/gadjo/widget.html b/gadjo/templates/gadjo/widget.html
index d1f2dae..a937698 100644
--- a/gadjo/templates/gadjo/widget.html
+++ b/gadjo/templates/gadjo/widget.html
@@ -7,7 +7,11 @@
   {% block widget-title %}
   <div class="title">
     {{ field.label_tag }}
-    {% if field.field.required %}<span title="{% trans "This field is required." %}" class="required">*</span>{% endif %}
+    {% if field.field.required %}
+    <span title="{% trans "This field is required." %}" class="required">*</span>
+    {% else %}
+    <span class="optional">{% trans "(optional)" %}</span>
+    {% endif %}
   </div>
   {% endblock %}
   {% block widget-content %}