diff --git a/Model/Acl/AclClass.php b/Model/Acl/AclClass.php
index 174ef8f..90653e8 100644
--- a/Model/Acl/AclClass.php
+++ b/Model/Acl/AclClass.php
@@ -36,7 +36,7 @@ class AclClass extends BaseAclClass
         ;
 
         if ($obj->isNew()) {
-            $obj->save();
+            $obj->save($con);
         }
 
         return $obj;
diff --git a/Model/Acl/ObjectIdentityQuery.php b/Model/Acl/ObjectIdentityQuery.php
index 223eb97..71fec51 100644
--- a/Model/Acl/ObjectIdentityQuery.php
+++ b/Model/Acl/ObjectIdentityQuery.php
@@ -25,16 +25,17 @@ class ObjectIdentityQuery extends BaseObjectIdentityQuery
      * Filter by an ObjectIdentity object belonging to the given ACL related ObjectIdentity.
      *
      * @param ObjectIdentityInterface $objectIdentity
+     * @param PropelPDO $con
      *
      * @return ObjectIdentityQuery $this
      */
-    public function filterByAclObjectIdentity(ObjectIdentityInterface $objectIdentity)
+    public function filterByAclObjectIdentity(ObjectIdentityInterface $objectIdentity, PropelPDO $con = null)
     {
         /*
          * Not using a JOIN here, because the filter may be applied on 'findOneOrCreate',
          * which is currently (Propel 1.6.4-dev) not working.
          */
-        $aclClass = AclClass::fromAclObjectIdentity($objectIdentity);
+        $aclClass = AclClass::fromAclObjectIdentity($objectIdentity, $con);
         $this
             ->filterByClassId($aclClass->getId())
             ->filterByIdentifier($objectIdentity->getIdentifier())
@@ -54,7 +55,7 @@ class ObjectIdentityQuery extends BaseObjectIdentityQuery
     public function findOneByAclObjectIdentity(ObjectIdentityInterface $objectIdentity, PropelPDO $con = null)
     {
         return $this
-            ->filterByAclObjectIdentity($objectIdentity)
+            ->filterByAclObjectIdentity($objectIdentity, $con)
             ->findOne($con)
         ;
     }
diff --git a/Model/Acl/SecurityIdentity.php b/Model/Acl/SecurityIdentity.php
index d6b89c8..aa30ef3 100644
--- a/Model/Acl/SecurityIdentity.php
+++ b/Model/Acl/SecurityIdentity.php
@@ -74,7 +74,7 @@ class SecurityIdentity extends BaseSecurityIdentity
         ;
 
         if ($obj->isNew()) {
-            $obj->save();
+            $obj->save($con);
         }
 
         return $obj;
diff --git a/Security/Acl/Domain/MutableAcl.php b/Security/Acl/Domain/MutableAcl.php
index e1bf97d..f3bb0e6 100644
--- a/Security/Acl/Domain/MutableAcl.php
+++ b/Security/Acl/Domain/MutableAcl.php
@@ -84,7 +84,7 @@ class MutableAcl extends Acl implements MutableAclInterface
         $this->entries = $entries;
 
         $this->modelObjectIdentity = ObjectIdentityQuery::create()
-            ->filterByAclObjectIdentity($objectIdentity)
+            ->filterByAclObjectIdentity($objectIdentity, $con)
             ->findOneOrCreate($con)
         ;
 
diff --git a/Security/Acl/MutableAclProvider.php b/Security/Acl/MutableAclProvider.php
index 9b25d90..4089c31 100644
--- a/Security/Acl/MutableAclProvider.php
+++ b/Security/Acl/MutableAclProvider.php
@@ -80,7 +80,7 @@ class MutableAclProvider extends AclProvider implements MutableAclProviderInterf
         }
 
         $objIdentity = ObjectIdentityQuery::create()
-            ->filterByAclObjectIdentity($objectIdentity)
+            ->filterByAclObjectIdentity($objectIdentity, $this->connection)
             ->findOneOrCreate($this->connection)
         ;