diff --git a/src/main/java/de/ph87/data/series/graph/Graph.java b/src/main/java/de/ph87/data/series/graph/Graph.java
index 3f4e51d..c9762c2 100644
--- a/src/main/java/de/ph87/data/series/graph/Graph.java
+++ b/src/main/java/de/ph87/data/series/graph/Graph.java
@@ -118,7 +118,7 @@ public class Graph {
     final int fontH3_4 = (int) Math.round(g.getFontMetrics().getHeight() * 0.75);
 
     g.setColor(Color.gray);
-    final String string = "%s [%s]".formatted(series.getTitle(), series.unit.unit);
+    final String string = "%s [%s]".formatted(series.getTitle(), autoscale.unit);
     g.drawString(string, border, border + fontH3_4);
 
     yLabel(g, valueMax, DASHED, Color.red);