diff --git a/plugins/main/src/main/java/info/nightscout/plugins/general/overview/graphData/GraphData.kt b/plugins/main/src/main/java/info/nightscout/plugins/general/overview/graphData/GraphData.kt
index f7898f954d..8012470008 100644
--- a/plugins/main/src/main/java/info/nightscout/plugins/general/overview/graphData/GraphData.kt
+++ b/plugins/main/src/main/java/info/nightscout/plugins/general/overview/graphData/GraphData.kt
@@ -262,7 +262,7 @@ class GraphData(
     fun addHeartRate(useForScale: Boolean, scale: Double) {
         val maxHR = overviewData.heartRateGraphSeries.highestValueY
         if (useForScale) {
-            minY = 0.0
+            minY = 40.0
             maxY = maxHR
         }
         addSeries(overviewData.heartRateGraphSeries)