diff --git a/sot/source/unoolestorage/xolesimplestorage.cxx b/sot/source/unoolestorage/xolesimplestorage.cxx
index 8ea0907b38e5..565de5a5b63a 100644
--- a/sot/source/unoolestorage/xolesimplestorage.cxx
+++ b/sot/source/unoolestorage/xolesimplestorage.cxx
@@ -580,7 +580,7 @@ void SAL_CALL OLESimpleStorage::addEventListener(
         throw lang::DisposedException();
 
     if ( !m_pListenersContainer )
-        m_pListenersContainer = new ::comphelper::OInterfaceContainerHelper2( m_aMutex );
+        m_pListenersContainer = new ::comphelper::OInterfaceContainerHelper3<css::lang::XEventListener>( m_aMutex );
 
     m_pListenersContainer->addInterface( xListener );
 }
diff --git a/sot/source/unoolestorage/xolesimplestorage.hxx b/sot/source/unoolestorage/xolesimplestorage.hxx
index 2ec9f715d873..765cd87caf12 100644
--- a/sot/source/unoolestorage/xolesimplestorage.hxx
+++ b/sot/source/unoolestorage/xolesimplestorage.hxx
@@ -24,6 +24,7 @@
 
 #include <memory>
 
+#include <comphelper/interfacecontainer3.hxx>
 #include <com/sun/star/embed/XOLESimpleStorage.hpp>
 #include <com/sun/star/lang/XServiceInfo.hpp>
 #include <cppuhelper/implbase.hxx>
@@ -35,7 +36,6 @@ namespace com::sun::star::io { class XInputStream; }
 namespace com::sun::star::io { class XStream; }
 namespace com::sun::star::lang { class XEventListener; }
 namespace com::sun::star::uno { class XComponentContext; }
-namespace comphelper { class OInterfaceContainerHelper2; }
 
 class BaseStorage;
 class SvStream;
@@ -51,7 +51,7 @@ class OLESimpleStorage : public cppu::WeakImplHelper<css::embed::XOLESimpleStora
     std::unique_ptr<SvStream> m_pStream;
     std::unique_ptr<BaseStorage> m_pStorage;
 
-    ::comphelper::OInterfaceContainerHelper2* m_pListenersContainer; // list of listeners
+    ::comphelper::OInterfaceContainerHelper3<css::lang::XEventListener>* m_pListenersContainer; // list of listeners
     css::uno::Reference<css::uno::XComponentContext> m_xContext;
 
     bool m_bNoTemporaryCopy;