1 files changed, 3 insertions, 1 deletions
diff --git a/src/datavis3d/data/qscatterdataproxy.h b/src/datavis3d/data/qscatterdataproxy.h
index fe83c7fe..c96854e2 100644
--- a/src/datavis3d/data/qscatterdataproxy.h
+++ b/src/datavis3d/data/qscatterdataproxy.h
@@ -65,8 +65,10 @@ public:
     // requires allocating additional data object for the bar.
 
     // If data is accessed from same thread that sets it, access doesn't need to be protected with mutex.
+    // Item pointers are guaranteed to be valid only until next call that modifies data.
+    // Array pointer is guaranteed to be valid for lifetime of proxy.
     int itemCount();
-    const QScatterDataArray &array() const;
+    const QScatterDataArray *array() const;
     const QScatterDataItem *itemAt(int index) const; // Index needs to exist or this crashes
 
     // All array/item manipulation functions are internally protected by data mutex.