1 files changed, 1 insertions, 1 deletions
diff --git a/barchart.cpp b/barchart.cpp
index cb794ac..34f1897 100644
--- a/barchart.cpp
+++ b/barchart.cpp
@@ -172,7 +172,7 @@ void BarChart::updateBars(QSGNode *node)
         QSGNode *barNode = newBarNode();
         node->prependChildNode(barNode);
     }
-    while (numValues < root->childCount()) {
+    while (numValues < node->childCount()) {
         // NOTE: as stated in docs, QSGNode's children are stored in a
         // linked list. Hence, this operation should be as fast as expected
         node->removeChildNode(node->firstChild());