diff --git a/app/src/main/java/info/nightscout/utils/BolusWizard.java b/app/src/main/java/info/nightscout/utils/BolusWizard.java
index 94b19d2b9b..e5af535759 100644
--- a/app/src/main/java/info/nightscout/utils/BolusWizard.java
+++ b/app/src/main/java/info/nightscout/utils/BolusWizard.java
@@ -110,7 +110,8 @@ public class BolusWizard {
             calculatedTotalInsulin = 0d;
         }
 
-        calculatedTotalInsulin = Round.roundTo(calculatedTotalInsulin, 0.05d);
+        double bolusStep = MainApp.getConfigBuilder().getPumpDescription().bolusStep;
+        calculatedTotalInsulin = Round.roundTo(calculatedTotalInsulin, bolusStep);
 
         return calculatedTotalInsulin;
     }