From 4a0faf77ef118fa413e1db6b81a8e66fd652d235 Mon Sep 17 00:00:00 2001
From: Marco Belladelli <marco@hibernate.org>
Date: Tue, 10 Oct 2023 12:52:15 +0200
Subject: [PATCH] HHH-17285 Fix support for dot-separated map key paths

---
 .../main/java/org/hibernate/boot/model/internal/MapBinder.java  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hibernate-core/src/main/java/org/hibernate/boot/model/internal/MapBinder.java b/hibernate-core/src/main/java/org/hibernate/boot/model/internal/MapBinder.java
index bd4fc1cf83..1db84eb47d 100644
--- a/hibernate-core/src/main/java/org/hibernate/boot/model/internal/MapBinder.java
+++ b/hibernate-core/src/main/java/org/hibernate/boot/model/internal/MapBinder.java
@@ -261,7 +261,7 @@ private void handleMapKeyProperty(
 				: associatedClass;
 		final Value indexValue = createFormulatedValue( mapProperty.getValue(), collection, associatedClass, targetEntity );
 		getMap().setIndex( indexValue );
-		getMap().setMapKeyPropertyName( mapProperty.getName() );
+		getMap().setMapKeyPropertyName( mapKeyPropertyName );
 	}
 
 	private CollectionPropertyHolder buildCollectionPropertyHolder(