diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/Wear/ActionStringHandler.java b/app/src/main/java/info/nightscout/androidaps/plugins/Wear/ActionStringHandler.java
index 5245921922..eebe7ce4e2 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/Wear/ActionStringHandler.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/Wear/ActionStringHandler.java
@@ -232,8 +232,8 @@ public class ActionStringHandler {
                     0d, percentage, useBolusIOB, useBasalIOB, false, useTrend);
 
             Double insulinAfterConstraints = MainApp.getConstraintChecker().applyBolusConstraints(new Constraint<>(bolusWizard.calculatedTotalInsulin)).value();
-            if (insulinAfterConstraints - bolusWizard.calculatedTotalInsulin != 0) {
-                sendError("Insulin contraint violation!" +
+            if (Math.abs(insulinAfterConstraints - bolusWizard.calculatedTotalInsulin) >= 0.01) {
+                sendError("Insulin constraint violation!" +
                         "\nCannot deliver " + format.format(bolusWizard.calculatedTotalInsulin) + "!");
                 return;
             }