diff --git a/packages/entity/traits/alive.trait.js b/packages/entity/traits/alive.trait.js
index 3683dd3..765ce08 100644
--- a/packages/entity/traits/alive.trait.js
+++ b/packages/entity/traits/alive.trait.js
@@ -113,7 +113,7 @@ export class Alive extends decorate(Trait) {
     return {
 
       tookHarm: (harm, source) => {
-        if (harm.harmSpec.power > 0) {
+        if (harm.isHarm) {
           this.entity.life -= harm.amount;
         }
         else {