diff --git a/org.springframework.transaction/src/main/java/org/springframework/dao/annotation/PersistenceExceptionTranslationPostProcessor.java b/org.springframework.transaction/src/main/java/org/springframework/dao/annotation/PersistenceExceptionTranslationPostProcessor.java
index 6f25b69a79..c4ee41ee53 100644
--- a/org.springframework.transaction/src/main/java/org/springframework/dao/annotation/PersistenceExceptionTranslationPostProcessor.java
+++ b/org.springframework.transaction/src/main/java/org/springframework/dao/annotation/PersistenceExceptionTranslationPostProcessor.java
@@ -86,7 +86,7 @@ public class PersistenceExceptionTranslationPostProcessor extends ProxyConfig
 	 * @param repositoryAnnotationType the desired annotation type
 	 */
 	public void setRepositoryAnnotationType(Class<? extends Annotation> repositoryAnnotationType) {
-		Assert.notNull(repositoryAnnotationType, "'requiredAnnotationType' must not be null");
+		Assert.notNull(repositoryAnnotationType, "'repositoryAnnotationType' must not be null");
 		this.repositoryAnnotationType = repositoryAnnotationType;
 	}