diff --git a/merlin-server/src/main/java/gov/nasa/jpl/aerie/merlin/server/remotes/postgres/PostgresResultsCellRepository.java b/merlin-server/src/main/java/gov/nasa/jpl/aerie/merlin/server/remotes/postgres/PostgresResultsCellRepository.java
index 33257eab49..1ca3b2b311 100644
--- a/merlin-server/src/main/java/gov/nasa/jpl/aerie/merlin/server/remotes/postgres/PostgresResultsCellRepository.java
+++ b/merlin-server/src/main/java/gov/nasa/jpl/aerie/merlin/server/remotes/postgres/PostgresResultsCellRepository.java
@@ -427,7 +427,7 @@ private static void postActivities(
 
       updateSimulatedActivityParentsAction.apply(
           datasetId,
-          simulatedActivityRecords,
+          allActivityRecords,
           simIdToPgId);
     }
   }