diff --git a/spring-integration-core/src/test/java/org/springframework/integration/config/xml/IdempotentReceiverParserTests-context.xml b/spring-integration-core/src/test/java/org/springframework/integration/config/xml/IdempotentReceiverParserTests-context.xml
index 570d2aab14..940dba7429 100644
--- a/spring-integration-core/src/test/java/org/springframework/integration/config/xml/IdempotentReceiverParserTests-context.xml
+++ b/spring-integration-core/src/test/java/org/springframework/integration/config/xml/IdempotentReceiverParserTests-context.xml
@@ -21,7 +21,8 @@
 	</beans:bean>
 
 	<beans:bean id="valueStrategy" class="org.mockito.Mockito" factory-method="mock">
-		<beans:constructor-arg value="org.springframework.integration.handler.MessageProcessor"/>
+		<beans:constructor-arg value="org.springframework.integration.handler.MessageProcessor"
+							   type="java.lang.Class"/>
 	</beans:bean>
 
 	<idempotent-receiver id="strategyInterceptor"