diff --git a/schema/projects/vaultpass.xsd b/schema/projects/vaultpass.xsd
index ddfc8a2..e086570 100644
--- a/schema/projects/vaultpass.xsd
+++ b/schema/projects/vaultpass.xsd
@@ -11,8 +11,8 @@
     <!-- ROOT -->
     <xs:element name="vaultpass">
         <xs:complexType>
-            <xs:all>
-                <xs:element name="server" minOccurs="1" maxOccurs="1">
+            <xs:sequence>
+                <xs:element name="server" minOccurs="1" maxOccurs="unbounded">
                     <xs:complexType>
                         <xs:all>
                             <xs:element name="uri" type="t_std_uri" minOccurs="0" maxOccurs="1"
@@ -45,10 +45,10 @@
                                 </xs:complexType>
                             </xs:element>
                         </xs:all>
-                        <xs:attribute name="id" type="xs:ID"/>
+                        <xs:attribute name="id" type="xs:ID" use="required"/>
                     </xs:complexType>
                 </xs:element>
-            </xs:all>
+            </xs:sequence>
         </xs:complexType>
     </xs:element>