diff --git a/dao/src/main/java/org/thingsboard/server/dao/sql/query/DefaultAlarmQueryRepository.java b/dao/src/main/java/org/thingsboard/server/dao/sql/query/DefaultAlarmQueryRepository.java
index ecf9c1c95f..d9fd2cc66d 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/sql/query/DefaultAlarmQueryRepository.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/sql/query/DefaultAlarmQueryRepository.java
@@ -148,6 +148,10 @@ public class DefaultAlarmQueryRepository implements AlarmQueryRepository {
             }
             EntityDataSortOrder sortOrder = pageLink.getSortOrder();
 
+            if (sortOrder != null && EntityKeyType.ALARM_FIELD.equals(sortOrder.getKey().getType()) && ASSIGNEE_KEY.equalsIgnoreCase(sortOrder.getKey().getKey())) {
+                sortOrder = new EntityDataSortOrder(new EntityKey(EntityKeyType.ALARM_FIELD, ASSIGNEE_EMAIL_KEY), sortOrder.getDirection());
+            }
+
             List<EntityKey> alarmFields = new ArrayList<>();
             for (EntityKey key : query.getAlarmFields()) {
                 if (EntityKeyType.ALARM_FIELD.equals(key.getType()) && ASSIGNEE_KEY.equalsIgnoreCase(key.getKey())) {
@@ -265,6 +269,8 @@ public class DefaultAlarmQueryRepository implements AlarmQueryRepository {
             }
 
             if (pageLink.getAssigneeId() != null) {
+                addAndIfNeeded(wherePart, addAnd);
+                addAnd = true;
                 ctx.addUuidParameter("assigneeId", pageLink.getAssigneeId().getId());
                 wherePart.append(" a.assignee_id = :assigneeId");
             }
diff --git a/dao/src/test/java/org/thingsboard/server/dao/service/BaseAlarmServiceTest.java b/dao/src/test/java/org/thingsboard/server/dao/service/BaseAlarmServiceTest.java
index 73a489ab68..9c81bfd232 100644
--- a/dao/src/test/java/org/thingsboard/server/dao/service/BaseAlarmServiceTest.java
+++ b/dao/src/test/java/org/thingsboard/server/dao/service/BaseAlarmServiceTest.java
@@ -267,6 +267,7 @@ public abstract class BaseAlarmServiceTest extends AbstractServiceTest {
         pageLink.setPage(0);
         pageLink.setPageSize(10);
         pageLink.setAssigneeId(tenantUser.getId());
+        pageLink.setSortOrder(new EntityDataSortOrder(new EntityKey(EntityKeyType.ALARM_FIELD, "assignee")));
 
         PageData<AlarmData> assignedAlarms = alarmService.findAlarmDataByQueryForEntities(tenantId, toQuery(pageLink), Collections.singletonList(created.getOriginator()));
         Assert.assertNotNull(assignedAlarms.getData());