diff --git a/sormas-backend/src/main/java/de/symeda/sormas/backend/person/notifier/NotifierService.java b/sormas-backend/src/main/java/de/symeda/sormas/backend/person/notifier/NotifierService.java
index 51f223ad4fa..8e9a509680c 100644
--- a/sormas-backend/src/main/java/de/symeda/sormas/backend/person/notifier/NotifierService.java
+++ b/sormas-backend/src/main/java/de/symeda/sormas/backend/person/notifier/NotifierService.java
@@ -91,14 +91,10 @@ public Notifier getByUuidAndTime(String uuid, Instant time) {
 
         final Timestamp timestamp = Timestamp.from(time);
 
-        final String sql = "SELECT " + "a.id AS id, a.uuid AS uuid," + "COALESCE(b.changedate, a.changedate) AS changedate,"
-            + "a.creationdate AS creationdate, a.change_user_id AS change_user_id,"
-            + "COALESCE(b.registrationnumber, a.registrationnumber) AS registrationnumber," + "COALESCE(b.firstname, a.firstname) AS firstname,"
-            + "COALESCE(b.lastname, a.lastname) AS lastname," + "COALESCE(b.address, a.address) AS address," + "COALESCE(b.email, a.email) AS email,"
-            + "COALESCE(b.phone, a.phone) AS phone, "+ "COALESCE(b.agentfirstname, a.agentfirstname) AS agentfirstname, "
-            + "COALESCE(b.agentlastname, a.agentlastname) AS agentlastname "+ "FROM notifier a " + "LEFT JOIN " + "(SELECT * FROM notifier_history "
-            + "WHERE uuid = :uuid AND changedate <= CAST(:changeDate AS TIMESTAMP) " + "ORDER BY changedate DESC LIMIT 1" + ") b ON a.uuid = b.uuid "
-            + "WHERE a.uuid = :uuid";
+        final String sql = "SELECT * FROM ("
+            + "SELECT * FROM (SELECT * FROM notifier_history b WHERE b.uuid = :uuid AND changedate <= CAST(:changeDate AS TIMESTAMP) ORDER BY changedate DESC LIMIT 1) "
+            + "UNION SELECT * FROM notifier a WHERE a.uuid = :uuid) "
+            + "WHERE uuid = :uuid AND changedate <= CAST(:changeDate AS TIMESTAMP) ORDER BY changedate DESC LIMIT 1;";
 
         Query query = em.createNativeQuery(sql, Notifier.class);
         query.setParameter("uuid", uuid);