diff --git a/org.springframework.integration.rmi/src/main/java/org/springframework/integration/rmi/config/spring-integration-rmi-1.0.xsd b/org.springframework.integration.rmi/src/main/java/org/springframework/integration/rmi/config/spring-integration-rmi-1.0.xsd
index 778ff88abb..ccc4544d5b 100644
--- a/org.springframework.integration.rmi/src/main/java/org/springframework/integration/rmi/config/spring-integration-rmi-1.0.xsd
+++ b/org.springframework.integration.rmi/src/main/java/org/springframework/integration/rmi/config/spring-integration-rmi-1.0.xsd
@@ -30,7 +30,15 @@
 					<xsd:attribute name="expect-reply" type="xsd:string" default="true"/>
 					<xsd:attribute name="registry-host" type="xsd:string"/>
 					<xsd:attribute name="registry-port" type="xsd:string"/>
-					<xsd:attribute name="remote-invocation-executor" type="xsd:string"/>
+					<xsd:attribute name="remote-invocation-executor" type="xsd:string">
+						<xsd:annotation>
+							<xsd:appinfo>
+								<tool:annotation kind="ref">
+									<tool:expected-type type="org.springframework.remoting.support.RemoteInvocationExecutor"/>
+								</tool:annotation>
+							</xsd:appinfo>
+						</xsd:annotation>
+					</xsd:attribute>
 				</xsd:extension>
 			</xsd:complexContent>
 		</xsd:complexType>
@@ -64,8 +72,24 @@
 		</xsd:annotation>
 		<xsd:attribute name="id" type="xsd:ID"/>
 		<xsd:attribute name="name" type="xsd:string"/>
-		<xsd:attribute name="request-channel" type="xsd:string" use="required"/>
-		<xsd:attribute name="reply-channel" type="xsd:string"/>
+		<xsd:attribute name="request-channel" type="xsd:string" use="required">
+			<xsd:annotation>
+				<xsd:appinfo>
+					<tool:annotation kind="ref">
+						<tool:expected-type type="org.springframework.integration.core.MessageChannel"/>
+					</tool:annotation>
+				</xsd:appinfo>
+			</xsd:annotation>
+		</xsd:attribute>
+		<xsd:attribute name="reply-channel" type="xsd:string">
+			<xsd:annotation>
+				<xsd:appinfo>
+					<tool:annotation kind="ref">
+						<tool:expected-type type="org.springframework.integration.core.MessageChannel"/>
+					</tool:annotation>
+				</xsd:appinfo>
+			</xsd:annotation>
+		</xsd:attribute>
 		<xsd:attribute name="request-timeout" type="xsd:string"/>
 		<xsd:attribute name="reply-timeout" type="xsd:string"/>
 	</xsd:complexType>