diff --git a/api/src/engine/models/result/common/result-union.model.ts b/api/src/engine/models/result/common/result-union.model.ts
index 6cbcc444c664466348f68e464c4f78aeb23e7a31..1f7b522c0a06a1c12f13cf2e608b49f2da233c77 100644
--- a/api/src/engine/models/result/common/result-union.model.ts
+++ b/api/src/engine/models/result/common/result-union.model.ts
@@ -15,7 +15,7 @@ export const ResultUnion = createUnionType({
       return RawResult;
     }
 
-    if (value.group) {
+    if (value.groups) {
       return GroupsResult;
     }