diff --git a/hibernate-core/src/main/java/org/hibernate/sql/results/graph/entity/internal/AbstractBatchEntitySelectFetchInitializer.java b/hibernate-core/src/main/java/org/hibernate/sql/results/graph/entity/internal/AbstractBatchEntitySelectFetchInitializer.java
index 0d976309f1..da763fa34a 100644
--- a/hibernate-core/src/main/java/org/hibernate/sql/results/graph/entity/internal/AbstractBatchEntitySelectFetchInitializer.java
+++ b/hibernate-core/src/main/java/org/hibernate/sql/results/graph/entity/internal/AbstractBatchEntitySelectFetchInitializer.java
@@ -84,6 +84,7 @@ public void initializeInstance(RowProcessingState rowProcessingState) {
 	@Override
 	public void finishUpRow(RowProcessingState rowProcessingState) {
 		entityInstance = null;
+		entityKey = null;
 		clearResolutionListeners();
 	}