diff --git a/spring-integration-mail/src/test/java/org/springframework/integration/mail/config/InboundChannelAdapterParserTests-context.xml b/spring-integration-mail/src/test/java/org/springframework/integration/mail/config/InboundChannelAdapterParserTests-context.xml
index 16c27602ed..7a5bf7568d 100644
--- a/spring-integration-mail/src/test/java/org/springframework/integration/mail/config/InboundChannelAdapterParserTests-context.xml
+++ b/spring-integration-mail/src/test/java/org/springframework/integration/mail/config/InboundChannelAdapterParserTests-context.xml
@@ -163,7 +163,7 @@
 		search-term-strategy="searchTermStrategy"/>
 
 	<bean id="searchTermStrategy" class="org.mockito.Mockito" factory-method="mock">
-		<constructor-arg value="org.springframework.integration.mail.SearchTermStrategy"/>
+		<constructor-arg value="org.springframework.integration.mail.SearchTermStrategy" type="java.lang.Class"/>
 	</bean>
 
 	<!-- COMMON CONFIGURATION -->
diff --git a/spring-integration-mail/src/test/java/org/springframework/integration/mail/config/imap-idle-mock-integration-config.xml b/spring-integration-mail/src/test/java/org/springframework/integration/mail/config/imap-idle-mock-integration-config.xml
index 2ea8a8f3e6..8460aedd27 100644
--- a/spring-integration-mail/src/test/java/org/springframework/integration/mail/config/imap-idle-mock-integration-config.xml
+++ b/spring-integration-mail/src/test/java/org/springframework/integration/mail/config/imap-idle-mock-integration-config.xml
@@ -21,7 +21,8 @@
 
 	<bean id="syncProcessor" class="org.mockito.Mockito" factory-method="mock">
 		<constructor-arg
-				value="org.springframework.integration.mail.config.ImapIdleIntegrationTests.PostTransactionProcessor"/>
+				value="org.springframework.integration.mail.config.ImapIdleIntegrationTests.PostTransactionProcessor"
+				type="java.lang.Class"/>
 	</bean>
 
 	<bean id="transactionManager" class="org.springframework.integration.transaction.PseudoTransactionManager"/>