6 files changed, 6 insertions, 6 deletions
diff --git a/package/inc/ZipPackage.hxx b/package/inc/ZipPackage.hxx
index 729d025e089d..e6cf614ad503 100644
--- a/package/inc/ZipPackage.hxx
+++ b/package/inc/ZipPackage.hxx
@@ -147,7 +147,7 @@ public:
     // XUnoTunnel
     virtual sal_Int64 SAL_CALL getSomething( const css::uno::Sequence< sal_Int8 >& aIdentifier ) override;
     /// @throws css::uno::RuntimeException
-    static css::uno::Sequence < sal_Int8 > getUnoTunnelId();
+    static const css::uno::Sequence < sal_Int8 > & getUnoTunnelId();
     // XPropertySet
     virtual css::uno::Reference< css::beans::XPropertySetInfo > SAL_CALL getPropertySetInfo(  ) override;
     virtual void SAL_CALL setPropertyValue( const OUString& aPropertyName, const css::uno::Any& aValue ) override;
diff --git a/package/inc/ZipPackageFolder.hxx b/package/inc/ZipPackageFolder.hxx
index 21ff8343c252..82582293158f 100644
--- a/package/inc/ZipPackageFolder.hxx
+++ b/package/inc/ZipPackageFolder.hxx
@@ -91,7 +91,7 @@ public:
 
     ZipContentInfo& doGetByName( const OUString& aName );
 
-    static css::uno::Sequence < sal_Int8 > getUnoTunnelId();
+    static const css::uno::Sequence < sal_Int8 > & getUnoTunnelId();
 
     void setPackageFormat_Impl( sal_Int32 nFormat ) { m_nFormat = nFormat; }
     void setRemoveOnInsertMode_Impl( bool bRemove ) { mbAllowRemoveOnInsert = bRemove; }
diff --git a/package/inc/ZipPackageStream.hxx b/package/inc/ZipPackageStream.hxx
index 20ee2cab7275..aa150717474d 100644
--- a/package/inc/ZipPackageStream.hxx
+++ b/package/inc/ZipPackageStream.hxx
@@ -137,7 +137,7 @@ public:
     void setZipEntryOnLoading( const ZipEntry &rInEntry);
     void successfullyWritten( ZipEntry const *pEntry );
 
-    static css::uno::Sequence < sal_Int8 > getUnoTunnelId();
+    static const css::uno::Sequence < sal_Int8 > & getUnoTunnelId();
 
     // XActiveDataSink
     virtual void SAL_CALL setInputStream( const css::uno::Reference< css::io::XInputStream >& aStream ) override;
diff --git a/package/source/zippackage/ZipPackage.cxx b/package/source/zippackage/ZipPackage.cxx
index e00c47d10a5f..c134a9d94c5d 100644
--- a/package/source/zippackage/ZipPackage.cxx
+++ b/package/source/zippackage/ZipPackage.cxx
@@ -1661,7 +1661,7 @@ sal_Bool SAL_CALL ZipPackage::supportsService( OUString const & rServiceName )
     return cppu::supportsService(this, rServiceName);
 }
 
-Sequence< sal_Int8 > ZipPackage::getUnoTunnelId()
+const Sequence< sal_Int8 > & ZipPackage::getUnoTunnelId()
 {
     static const comphelper::UnoIdInit implId;
     return implId.getSeq();
diff --git a/package/source/zippackage/ZipPackageFolder.cxx b/package/source/zippackage/ZipPackageFolder.cxx
index b65c9c697788..118ec39923c0 100644
--- a/package/source/zippackage/ZipPackageFolder.cxx
+++ b/package/source/zippackage/ZipPackageFolder.cxx
@@ -143,7 +143,7 @@ void ZipPackageFolder::setChildStreamsTypeByExtension( const beans::StringPair&
     }
 }
 
-css::uno::Sequence < sal_Int8 > ZipPackageFolder::getUnoTunnelId()
+const css::uno::Sequence < sal_Int8 > & ZipPackageFolder::getUnoTunnelId()
 {
     static const comphelper::UnoIdInit lcl_CachedImplId;
     return lcl_CachedImplId.getSeq();
diff --git a/package/source/zippackage/ZipPackageStream.cxx b/package/source/zippackage/ZipPackageStream.cxx
index b8157839bbba..f2ec696b5cc8 100644
--- a/package/source/zippackage/ZipPackageStream.cxx
+++ b/package/source/zippackage/ZipPackageStream.cxx
@@ -71,7 +71,7 @@ using namespace cppu;
 #define THROW_WHERE ""
 #endif
 
-css::uno::Sequence < sal_Int8 > ZipPackageStream::getUnoTunnelId()
+const css::uno::Sequence < sal_Int8 > & ZipPackageStream::getUnoTunnelId()
 {
     static const comphelper::UnoIdInit lcl_CachedImplId;
     return lcl_CachedImplId.getSeq();