diff --git a/src/main/java/io/autoinvestor/domain/model/DecisionState.java b/src/main/java/io/autoinvestor/domain/model/DecisionState.java
index d7ee3c4..f789b54 100644
--- a/src/main/java/io/autoinvestor/domain/model/DecisionState.java
+++ b/src/main/java/io/autoinvestor/domain/model/DecisionState.java
@@ -61,7 +61,7 @@ public boolean equals(Object obj) {
 
     public DecisionState withDecisionTaken(DecisionTakenEvent event) {
         return new DecisionState(
-                DecisionId.from(event.getId().value()),
+                DecisionId.from(event.getAggregateId().value()),
                 AssetId.of(event.getPayload().assetId()),
                 event.getPayload().date(),
                 Type.from(event.getPayload().decision()),