diff --git a/hibernate-core/src/main/java/org/hibernate/type/ComponentType.java b/hibernate-core/src/main/java/org/hibernate/type/ComponentType.java
index 6a0facab97..2e88b902db 100644
--- a/hibernate-core/src/main/java/org/hibernate/type/ComponentType.java
+++ b/hibernate-core/src/main/java/org/hibernate/type/ComponentType.java
@@ -90,6 +90,10 @@ public class ComponentType extends AbstractType implements CompositeType {
 		this.tuplizerMapping = metamodel.getTuplizerMapping();
 	}
 
+	public boolean isKey() {
+		return isKey;
+	}
+
 	public EntityModeToTuplizerMapping getTuplizerMapping() {
 		return tuplizerMapping;
 	}