diff --git a/src/webui/service/templates/slice/detail.html b/src/webui/service/templates/slice/detail.html
index 936b0f08fb1b7def156e11f16bf552b8d60018be..07734f32304b60365f76413d4689a37b66cc60a3 100644
--- a/src/webui/service/templates/slice/detail.html
+++ b/src/webui/service/templates/slice/detail.html
@@ -128,7 +128,7 @@
             <td>-</td>
             <td>
                 {{ constraint.sla_availability.num_disjoint_paths }} disjoint paths;
-                {% if constraint.sla_availability.all_active %}all{% else %}single{% endif %}active
+                {% if constraint.sla_availability.all_active %}all{% else %}single{% endif %}-active
             </td>
         </tr>
         {% else %}