2 files changed, 4 insertions, 4 deletions
diff --git a/canvas/source/cairo/cairo_spritecanvashelper.cxx b/canvas/source/cairo/cairo_spritecanvashelper.cxx
index 03fa5597e319..8ffa34e4da9c 100644
--- a/canvas/source/cairo/cairo_spritecanvashelper.cxx
+++ b/canvas/source/cairo/cairo_spritecanvashelper.cxx
@@ -481,7 +481,7 @@ namespace cairocanvas
         cairo_paint( pWindowCairo.get() );
     }
 
-    ::cairo::SurfaceSharedPtr SpriteCanvasHelper::getCompositingSurface( const ::basegfx::B2ISize& rNeededSize )
+    ::cairo::SurfaceSharedPtr const & SpriteCanvasHelper::getCompositingSurface( const ::basegfx::B2ISize& rNeededSize )
     {
         if( rNeededSize.getX() > maCompositingSurfaceSize.getX() ||
             rNeededSize.getY() > maCompositingSurfaceSize.getY() )
@@ -501,7 +501,7 @@ namespace cairocanvas
         return mpCompositingSurface;
     }
 
-    ::cairo::SurfaceSharedPtr SpriteCanvasHelper::getTemporarySurface()
+    ::cairo::SurfaceSharedPtr const & SpriteCanvasHelper::getTemporarySurface()
     {
         if ( !mpTemporarySurface )
             mpTemporarySurface = createSurface( maCompositingSurfaceSize );
diff --git a/canvas/source/cairo/cairo_spritecanvashelper.hxx b/canvas/source/cairo/cairo_spritecanvashelper.hxx
index 2fc3222eaadd..35cf73629653 100644
--- a/canvas/source/cairo/cairo_spritecanvashelper.hxx
+++ b/canvas/source/cairo/cairo_spritecanvashelper.hxx
@@ -117,8 +117,8 @@ namespace cairocanvas
                             const ::std::vector< ::canvas::Sprite::Reference >& rSortedUpdateSprites );
 
     private:
-        ::cairo::SurfaceSharedPtr getCompositingSurface( const ::basegfx::B2ISize& rNeededSize );
-        ::cairo::SurfaceSharedPtr getTemporarySurface();
+        ::cairo::SurfaceSharedPtr const & getCompositingSurface( const ::basegfx::B2ISize& rNeededSize );
+        ::cairo::SurfaceSharedPtr const & getTemporarySurface();
         ::cairo::SurfaceSharedPtr createSurface( const ::basegfx::B2ISize& rNeededSize ) const;
 
         /// Set from the SpriteCanvas: instance coordinating sprite redraw