diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/Treatments/TreatmentsPlugin.java b/app/src/main/java/info/nightscout/androidaps/plugins/Treatments/TreatmentsPlugin.java
index 209fee9c57..e50c88456c 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/Treatments/TreatmentsPlugin.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/Treatments/TreatmentsPlugin.java
@@ -175,7 +175,7 @@ public class TreatmentsPlugin extends PluginBase implements TreatmentsInterface
                 Iob tIOB = t.iobCalc(time, dia);
                 total.iob += tIOB.iobContrib;
                 total.activity += tIOB.activityContrib;
-                if (t.date > total.lastBolusTime)
+                if (t.insulin > 0 && t.date > total.lastBolusTime)
                     total.lastBolusTime = t.date;
                 if (!t.isSMB) {
                     // instead of dividing the DIA that only worked on the bilinear curves,