diff --git a/presentation/lookAndFeel/knowledgeTree/administration/unitmanagement/addUnitToOrgBL.php b/presentation/lookAndFeel/knowledgeTree/administration/unitmanagement/addUnitToOrgBL.php
index 75c8db5..6a0b732 100644
--- a/presentation/lookAndFeel/knowledgeTree/administration/unitmanagement/addUnitToOrgBL.php
+++ b/presentation/lookAndFeel/knowledgeTree/administration/unitmanagement/addUnitToOrgBL.php
@@ -15,7 +15,7 @@ if (checkSession()) {
     require_once("addUnitToOrgUI.inc");
     require_once("$default->fileSystemRoot/lib/unitmanagement/Unit.inc");
     require_once("$default->fileSystemRoot/lib/unitmanagement/UnitOrganisationLink.inc");
-    require_once("$default->fileSystemRoot/lib/orgManagement/Organisation.inc");
+    require_once("$default->fileSystemRoot/lib/orgmanagement/Organisation.inc");
     require_once("$default->fileSystemRoot/lib/security/permission.inc");
     require_once("$default->fileSystemRoot/presentation/webpageTemplate.inc");
     require_once("$default->fileSystemRoot/lib/visualpatterns/PatternCustom.inc");