diff --git a/src/libs/utils/treemodel.cpp b/src/libs/utils/treemodel.cpp
index 0493a67a4a8..d17174a0246 100644
--- a/src/libs/utils/treemodel.cpp
+++ b/src/libs/utils/treemodel.cpp
@@ -1028,6 +1028,14 @@ QVariant BaseTreeModel::headerData(int section, Qt::Orientation orientation,
     return QVariant();
 }
 
+bool BaseTreeModel::hasChildren(const QModelIndex &idx) const
+{
+    if (idx.column() > 0)
+        return false;
+    TreeItem *item = itemForIndex(idx);
+    return !item || item->hasChildren();
+}
+
 Qt::ItemFlags BaseTreeModel::flags(const QModelIndex &idx) const
 {
     if (!idx.isValid())
diff --git a/src/libs/utils/treemodel.h b/src/libs/utils/treemodel.h
index fd299bd9455..930f6f5e2ec 100644
--- a/src/libs/utils/treemodel.h
+++ b/src/libs/utils/treemodel.h
@@ -193,6 +193,7 @@ protected:
     QModelIndex sibling(int row, int column, const QModelIndex &idx) const override;
     Qt::ItemFlags flags(const QModelIndex &idx) const override;
     QVariant headerData(int section, Qt::Orientation orientation, int role) const override;
+    bool hasChildren(const QModelIndex &idx) const override;
 
     bool canFetchMore(const QModelIndex &idx) const override;
     void fetchMore(const QModelIndex &idx) override;