diff --git a/schema/projects/aif.xsd b/schema/projects/aif.xsd
index 6d9797d..6792839 100644
--- a/schema/projects/aif.xsd
+++ b/schema/projects/aif.xsd
@@ -217,10 +217,15 @@
                                     <xs:sequence>
                                         <xs:element name="repo" maxOccurs="unbounded" minOccurs="1">
                                             <xs:complexType>
+                                                <xs:choice minOccurs="1" maxOccurs="unbounded">
+                                                    <xs:element name="include" minOccurs="0" maxOccurs="unbounded"
+                                                                type="t_aif_pacuri"/>
+                                                    <xs:element name="mirror" minOccurs="0" maxOccurs="unbounded"
+                                                                type="t_aif_pacuri"/>
+                                                </xs:choice>
                                                 <xs:attribute name="name" type="t_std_nonempty" use="required"/>
                                                 <xs:attribute name="enabled" type="xs:boolean" use="optional" default="true"/>
                                                 <xs:attribute name="sigLevel" type="t_std_nonempty" use="optional"/>
-                                                <xs:attribute name="mirror" type="t_aif_pacuri" use="optional"/>
                                             </xs:complexType>
                                         </xs:element>
                                     </xs:sequence>