diff --git a/hibernate-community-dialects/src/test/java/org/hibernate/community/dialect/InformixDialectTestCase.java b/hibernate-community-dialects/src/test/java/org/hibernate/community/dialect/InformixDialectTestCase.java
index 80f6268f6c..4adf00e07f 100644
--- a/hibernate-community-dialects/src/test/java/org/hibernate/community/dialect/InformixDialectTestCase.java
+++ b/hibernate-community-dialects/src/test/java/org/hibernate/community/dialect/InformixDialectTestCase.java
@@ -9,6 +9,8 @@ package org.hibernate.community.dialect;
 import java.util.Collections;
 
 import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
+import org.hibernate.engine.query.internal.NativeQueryInterpreterStandardImpl;
+import org.hibernate.engine.query.spi.NativeQueryInterpreter;
 import org.hibernate.metamodel.model.domain.internal.JpaMetamodelImpl;
 import org.hibernate.orm.test.jpa.JpaComplianceStub;
 import org.hibernate.query.criteria.ValueHandlingMode;
@@ -57,7 +59,7 @@ public class InformixDialectTestCase extends BaseUnitTestCase {
 				dialect.getPreferredSqlTypeCodeForBoolean(),
 				false,
 				new NamedObjectRepositoryImpl( Collections.emptyMap(), Collections.emptyMap(), Collections.emptyMap(), Collections.emptyMap() ),
-				null,
+				NativeQueryInterpreterStandardImpl.NATIVE_QUERY_INTERPRETER,
 				dialect,
 				ssr
 		);
diff --git a/hibernate-core/src/main/java/org/hibernate/query/spi/QueryEngine.java b/hibernate-core/src/main/java/org/hibernate/query/spi/QueryEngine.java
index 551191189d..7266f468ae 100644
--- a/hibernate-core/src/main/java/org/hibernate/query/spi/QueryEngine.java
+++ b/hibernate-core/src/main/java/org/hibernate/query/spi/QueryEngine.java
@@ -10,6 +10,7 @@ import java.util.ArrayList;
 import java.util.Comparator;
 import java.util.List;
 import java.util.Map;
+import java.util.Objects;
 import java.util.function.Supplier;
 
 import org.hibernate.Incubating;
@@ -137,9 +138,9 @@ public class QueryEngine {
 			Dialect dialect,
 			SqmFunctionRegistry userDefinedRegistry,
 			ServiceRegistry serviceRegistry) {
-		this.namedObjectRepository = namedObjectRepository;
+		this.namedObjectRepository = Objects.requireNonNull( namedObjectRepository );
 		this.sqmTranslatorFactory = sqmTranslatorFactory;
-		this.nativeQueryInterpreter = nativeQueryInterpreter;
+		this.nativeQueryInterpreter = Objects.requireNonNull( nativeQueryInterpreter );
 		this.interpretationCache = interpretationCache;
 		this.hqlTranslator = hqlTranslator;
 
@@ -202,9 +203,9 @@ public class QueryEngine {
 			NativeQueryInterpreter nativeQueryInterpreter,
 			Dialect dialect,
 			ServiceRegistry serviceRegistry) {
-		this.namedObjectRepository = namedObjectRepository;
+		this.namedObjectRepository = Objects.requireNonNull( namedObjectRepository );
 		this.sqmTranslatorFactory = null;
-		this.nativeQueryInterpreter = nativeQueryInterpreter;
+		this.nativeQueryInterpreter = Objects.requireNonNull( nativeQueryInterpreter );
 
 		this.sqmFunctionRegistry = new SqmFunctionRegistry();
 		this.typeConfiguration = jpaMetamodel.getTypeConfiguration();