1 files changed, 1 insertions, 1 deletions
diff --git a/include/oox/drawingml/shapegroupcontext.hxx b/include/oox/drawingml/shapegroupcontext.hxx
index d66457a566b9..c273d9c03263 100644
--- a/include/oox/drawingml/shapegroupcontext.hxx
+++ b/include/oox/drawingml/shapegroupcontext.hxx
@@ -33,7 +33,7 @@ namespace oox { namespace drawingml {
 class OOX_DLLPUBLIC ShapeGroupContext : public ::oox::core::ContextHandler2
 {
 public:
-    ShapeGroupContext( ::oox::core::ContextHandler2Helper& rParent, ShapePtr const & pMasterShapePtr, ShapePtr const & pGroupShapePtr );
+    ShapeGroupContext( ::oox::core::ContextHandler2Helper const & rParent, ShapePtr const & pMasterShapePtr, ShapePtr const & pGroupShapePtr );
     virtual ~ShapeGroupContext() override;
     virtual ::oox::core::ContextHandlerRef onCreateContext( ::sal_Int32 Element, const ::oox::AttributeList& rAttribs ) override;