1 files changed, 3 insertions, 3 deletions
diff --git a/chart2/source/controller/chartapiwrapper/WallFloorWrapper.hxx b/chart2/source/controller/chartapiwrapper/WallFloorWrapper.hxx
index b538d55f1d9d..4a85bd8d5b37 100644
--- a/chart2/source/controller/chartapiwrapper/WallFloorWrapper.hxx
+++ b/chart2/source/controller/chartapiwrapper/WallFloorWrapper.hxx
@@ -20,7 +20,7 @@
 
 #include <WrappedPropertySet.hxx>
 #include <cppuhelper/implbase.hxx>
-#include <comphelper/interfacecontainer2.hxx>
+#include <comphelper/interfacecontainer4.hxx>
 #include <com/sun/star/lang/XComponent.hpp>
 #include <com/sun/star/lang/XServiceInfo.hpp>
 
@@ -38,7 +38,7 @@ class WallFloorWrapper : public ::cppu::ImplInheritanceHelper<
                     >
 {
 public:
-    WallFloorWrapper(bool bWall, const std::shared_ptr<Chart2ModelContact>& spChart2ModelContact);
+    WallFloorWrapper(bool bWall, std::shared_ptr<Chart2ModelContact> spChart2ModelContact);
     virtual ~WallFloorWrapper() override;
 
     /// XServiceInfo declarations
@@ -59,7 +59,7 @@ protected:
 
 private:
     std::shared_ptr< Chart2ModelContact >   m_spChart2ModelContact;
-    ::comphelper::OInterfaceContainerHelper2      m_aEventListenerContainer;
+    ::comphelper::OInterfaceContainerHelper4<css::lang::XEventListener> m_aEventListenerContainer;
 
     bool m_bWall;
 };