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-rw-r--r--sigmodr/tree/TreeModel.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/sigmodr/tree/TreeModel.cpp b/sigmodr/tree/TreeModel.cpp
index 723bfa4a..defaa218 100644
--- a/sigmodr/tree/TreeModel.cpp
+++ b/sigmodr/tree/TreeModel.cpp
@@ -24,7 +24,8 @@
using namespace Sigmodr::Tree;
TreeModel::TreeModel(QObject* parent) :
- QAbstractItemModel(parent)
+ QAbstractItemModel(parent),
+ m_root(new RootTreeItem)
{
}