1 files changed, 4 insertions, 0 deletions
diff --git a/canvas/source/directx/dx_canvasbitmap.cxx b/canvas/source/directx/dx_canvasbitmap.cxx
index f3d99a1e3ac4..b02ff2796813 100644
--- a/canvas/source/directx/dx_canvasbitmap.cxx
+++ b/canvas/source/directx/dx_canvasbitmap.cxx
@@ -56,6 +56,8 @@ namespace dxcanvas
         CanvasBitmap_Base::disposeThis();
     }
 
+    namespace {
+
     struct AlphaDIB
     {
         BITMAPINFOHEADER bmiHeader;
@@ -73,6 +75,8 @@ namespace dxcanvas
         }
     };
 
+    }
+
     uno::Any SAL_CALL CanvasBitmap::getFastPropertyValue( sal_Int32 nHandle )
     {
         uno::Any aRes;