diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/IobCobCalculator/AutosensData.java b/app/src/main/java/info/nightscout/androidaps/plugins/IobCobCalculator/AutosensData.java
index 85dc6999a0..11b86c5fc5 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/IobCobCalculator/AutosensData.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/IobCobCalculator/AutosensData.java
@@ -65,7 +65,7 @@ public class AutosensData {
     public double autosensRatio = 1d;
     public double slopeFromMaxDeviation = 0;
     public double slopeFromMinDeviation = 999;
-    public double usedMinCarbsImpact = -0;
+    public double usedMinCarbsImpact = 0d;
 
 
     @Override