diff --git a/core/graphview/src/main/java/com/jjoe64/graphview/series/BaseSeries.java b/core/graphview/src/main/java/com/jjoe64/graphview/series/BaseSeries.java
index bd7cb5081a..d5af6a5449 100644
--- a/core/graphview/src/main/java/com/jjoe64/graphview/series/BaseSeries.java
+++ b/core/graphview/src/main/java/com/jjoe64/graphview/series/BaseSeries.java
@@ -140,7 +140,7 @@ public abstract class BaseSeries<E extends DataPointInterface> implements Series
      * @return the highest y value, or 0 if there is no data
      */
     public double getHighestValueY() {
-        if (mData.isEmpty()) return 0d;
+        if (mData.isEmpty()) return 100d;
         double h = mData.get(0).getY();
         for (int i = 1; i < mData.size(); i++) {
             double c = mData.get(i).getY();