1 files changed, 1 insertions, 1 deletions
diff --git a/src/datavisualization/data/qbardataproxy_p.h b/src/datavisualization/data/qbardataproxy_p.h
index 6aa9d2cb..a0f95d35 100644
--- a/src/datavisualization/data/qbardataproxy_p.h
+++ b/src/datavisualization/data/qbardataproxy_p.h
@@ -54,7 +54,7 @@ public:
     void removeRows(int rowIndex, int removeCount, bool removeLabels);
 
     QPair<GLfloat, GLfloat> limitValues(int startRow, int startColumn, int rowCount,
-                                        int columnCount);
+                                        int columnCount) const;
 
 private:
     QBarDataProxy *qptr();