diff --git a/schema/projects/vaultpass.xsd b/schema/projects/vaultpass.xsd
index f08b38e..0470ede 100644
--- a/schema/projects/vaultpass.xsd
+++ b/schema/projects/vaultpass.xsd
@@ -13,7 +13,7 @@
         <xs:complexType>
             <xs:all>
                 <xs:element name="uri" type="t_std_uri" minOccurs="0" maxOccurs="1" default="http://localhost:8000/"/>
-                <xs:element name="auth" type="t_vaultpass_auth"/>
+                <xs:element name="auth" type="t_vaultpass_auth" minOccurs="1" maxOccurs="1"/>
             </xs:all>
             <xs:attribute name="autoUnseal" type="xs:boolean" use="optional" default="false"/>
             <xs:attribute name="unsealShard" type="t_std_base64" use="optional"/>