diff --git a/api/src/main/java/org/openmrs/module/queue/api/dao/impl/QueueEntryDaoImpl.java b/api/src/main/java/org/openmrs/module/queue/api/dao/impl/QueueEntryDaoImpl.java
index fc9f081..b982ecc 100644
--- a/api/src/main/java/org/openmrs/module/queue/api/dao/impl/QueueEntryDaoImpl.java
+++ b/api/src/main/java/org/openmrs/module/queue/api/dao/impl/QueueEntryDaoImpl.java
@@ -14,6 +14,7 @@
 import javax.persistence.criteria.Predicate;
 import javax.persistence.criteria.Root;
 
+import java.time.temporal.ChronoUnit;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Date;
@@ -116,7 +117,7 @@ public boolean updateIfUnmodified(QueueEntry queueEntry, Date expectedDateChange
 		}
 		
 		javax.persistence.Query query = session.createQuery(jpql.toString());
-		query.setParameter("endedAt", queueEntry.getEndedAt());
+		query.setParameter("endedAt", Date.from(queueEntry.getEndedAt().toInstant().truncatedTo(ChronoUnit.SECONDS)));
 		query.setParameter("id", queueEntry.getQueueEntryId());
 		if (expectedDateChanged != null) {
 			query.setParameter("expectedDateChanged", expectedDateChanged);
diff --git a/integration-tests/src/test/java/org/openmrs/module/queue/validators/QueueEntryValidatorTest.java b/integration-tests/src/test/java/org/openmrs/module/queue/validators/QueueEntryValidatorTest.java
index fc96fc8..b507d50 100644
--- a/integration-tests/src/test/java/org/openmrs/module/queue/validators/QueueEntryValidatorTest.java
+++ b/integration-tests/src/test/java/org/openmrs/module/queue/validators/QueueEntryValidatorTest.java
@@ -319,8 +319,8 @@ public void shouldNotRejectNonOverlappingQueueEntriesForSamePatientAndQueue() {
 		firstEntry.setPatient(patient);
 		firstEntry.setStatus(validStatus);
 		firstEntry.setPriority(validPriority);
-		firstEntry.setStartedAt(DateUtils.addHours(now, -2));
-		firstEntry.setEndedAt(DateUtils.addHours(now, -1));
+		firstEntry.setStartedAt(DateUtils.addHours(now, -1));
+		firstEntry.setEndedAt(now);
 		services.getQueueEntryService().saveQueueEntry(firstEntry);
 		
 		QueueEntry secondEntry = new QueueEntry();