2 files changed, 4 insertions, 0 deletions
diff --git a/drawinglayer/source/primitive2d/BufferedDecompositionGroupPrimitive2D.cxx b/drawinglayer/source/primitive2d/BufferedDecompositionGroupPrimitive2D.cxx
index a24816ad5f3a..4a09d0490ce9 100644
--- a/drawinglayer/source/primitive2d/BufferedDecompositionGroupPrimitive2D.cxx
+++ b/drawinglayer/source/primitive2d/BufferedDecompositionGroupPrimitive2D.cxx
@@ -53,7 +53,9 @@ namespace drawinglayer::primitive2d
 {
 void flushBufferedDecomposition(BufferedDecompositionGroupPrimitive2D& rTarget)
 {
+    rTarget.acquire();
     rTarget.setBuffered2DDecomposition(Primitive2DContainer());
+    rTarget.release();
 }
 
 const Primitive2DContainer&
diff --git a/drawinglayer/source/primitive2d/BufferedDecompositionPrimitive2D.cxx b/drawinglayer/source/primitive2d/BufferedDecompositionPrimitive2D.cxx
index 61eb34251913..ba8a4606cc83 100644
--- a/drawinglayer/source/primitive2d/BufferedDecompositionPrimitive2D.cxx
+++ b/drawinglayer/source/primitive2d/BufferedDecompositionPrimitive2D.cxx
@@ -53,7 +53,9 @@ namespace drawinglayer::primitive2d
 {
 void flushBufferedDecomposition(BufferedDecompositionPrimitive2D& rTarget)
 {
+    rTarget.acquire();
     rTarget.setBuffered2DDecomposition(nullptr);
+    rTarget.release();
 }
 
 const Primitive2DReference& BufferedDecompositionPrimitive2D::getBuffered2DDecomposition() const