diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/general/overview/graphData/GraphData.kt b/app/src/main/java/info/nightscout/androidaps/plugins/general/overview/graphData/GraphData.kt
index 0e9fa99b8b..0626b97912 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/general/overview/graphData/GraphData.kt
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/general/overview/graphData/GraphData.kt
@@ -73,6 +73,7 @@ class GraphData(
     }
 
     fun addBasals() {
+        maxY = max(maxY, defaultValueHelper.determineHighLine())
         val scale = defaultValueHelper.determineLowLine() / maxY / 1.2
         addSeries(overviewData.baseBasalGraphSeries)
         addSeries(overviewData.tempBasalGraphSeries)