1 files changed, 3 insertions, 3 deletions
diff --git a/src/net/sourceforge/plantuml/ScaleHeight.java b/src/net/sourceforge/plantuml/ScaleHeight.java
index 5175a76..6b82b52 100644
--- a/src/net/sourceforge/plantuml/ScaleHeight.java
+++ b/src/net/sourceforge/plantuml/ScaleHeight.java
@@ -2,7 +2,7 @@
  * PlantUML : a free UML diagram generator
  * ========================================================================
  *
- * (C) Copyright 2009-2017, Arnaud Roques
+ * (C) Copyright 2009-2020, Arnaud Roques
  *
  * Project Info:  http://plantuml.com
  * 
@@ -35,7 +35,7 @@
  */
 package net.sourceforge.plantuml;
 
-public class ScaleHeight implements Scale {
+public class ScaleHeight extends ScaleProtected implements Scale {
 
 	private final double maxHeight;
 
@@ -43,7 +43,7 @@ public class ScaleHeight implements Scale {
 		this.maxHeight = maxHeight;
 	}
 
-	public double getScale(double width, double height) {
+	public double getScaleInternal(double width, double height) {
 		return maxHeight / height;
 	}
 }