diff --git a/hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/search/PersistedJpaBundleProvider.java b/hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/search/PersistedJpaBundleProvider.java
index 9a34dde5ecb..8df28bcc5ac 100644
--- a/hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/search/PersistedJpaBundleProvider.java
+++ b/hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/search/PersistedJpaBundleProvider.java
@@ -157,7 +157,7 @@ public class PersistedJpaBundleProvider implements IBundleProvider {
 
 			TransactionTemplate txTemplate = new TransactionTemplate(myPlatformTransactionManager);
 			txTemplate.setPropagationBehavior(TransactionDefinition.PROPAGATION_REQUIRED);
-			txTemplate.setIsolationLevel(TransactionDefinition.ISOLATION_READ_UNCOMMITTED);
+			txTemplate.setIsolationLevel(TransactionDefinition.ISOLATION_READ_COMMITTED);
 			return txTemplate.execute(s -> {
 				try {
 					setSearchEntity(mySearchDao.findByUuid(myUuid));
diff --git a/hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/search/SearchCoordinatorSvcImpl.java b/hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/search/SearchCoordinatorSvcImpl.java
index 020e8ce35f8..6071163c34f 100644
--- a/hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/search/SearchCoordinatorSvcImpl.java
+++ b/hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/search/SearchCoordinatorSvcImpl.java
@@ -633,7 +633,7 @@ public class SearchCoordinatorSvcImpl implements ISearchCoordinatorSvc {
 				txTemplate.setPropagationBehavior(TransactionDefinition.PROPAGATION_REQUIRES_NEW);
 
 				if (myCustomIsolationSupported) {
-					txTemplate.setIsolationLevel(TransactionDefinition.ISOLATION_READ_UNCOMMITTED);
+					txTemplate.setIsolationLevel(TransactionDefinition.ISOLATION_READ_COMMITTED);
 				}
 
 				txTemplate.execute(new TransactionCallbackWithoutResult() {