diff --git a/repos/os/src/init/config.xsd b/repos/os/src/init/config.xsd
index 58e8d66e2c..d8cc6a32a1 100644
--- a/repos/os/src/init/config.xsd
+++ b/repos/os/src/init/config.xsd
@@ -203,6 +203,7 @@
       <xs:attribute name="caps"            type="xs:int" />
       <xs:attribute name="priority"        type="xs:int" />
       <xs:attribute name="managing_system" type="Boolean" />
+      <xs:attribute name="brick"           type="Boolean" />
      </xs:complexType>
     </xs:element> <!-- "start" -->