NodeTree: also assign the owner pointer when copying.

1 files changed, 2 insertions, 2 deletions

diff --git a/source/blender/freestyle/intern/blender_interface/BlenderStrokeRenderer.cpp b/source/blender/freestyle/intern/blender_interface/BlenderStrokeRenderer.cpp
index 984a2d01a68..38fff56b88d 100644
--- a/source/blender/freestyle/intern/blender_interface/BlenderStrokeRenderer.cpp
+++ b/source/blender/freestyle/intern/blender_interface/BlenderStrokeRenderer.cpp
@@ -252,7 +252,7 @@ Material *BlenderStrokeRenderer::GetStrokeShader(Main *bmain,
 
   if (iNodeTree) {
     // make a copy of linestyle->nodetree
-    ntree = ntreeCopyTree_ex(iNodeTree, bmain, do_id_user);
+    ntree = ntreeCopyTree_ex(iNodeTree, bmain, &ma->id, do_id_user);
 
     // find the active Output Line Style node
     for (bNode *node = (bNode *)ntree->nodes.first; node; node = node->next) {
@@ -263,7 +263,7 @@ Material *BlenderStrokeRenderer::GetStrokeShader(Main *bmain,
     }
   }
   else {
-    ntree = ntreeAddTree(NULL, "stroke_shader", "ShaderNodeTree");
+    ntree = ntreeAddTree(NULL, "stroke_shader", "ShaderNodeTree", &ma->id);
   }
   ma->nodetree = ntree;
   ma->use_nodes = 1;