diff --git a/spring-integration-samples/osgi-outbound/src/META-INF/spring/osgi-outbound.xml b/spring-integration-samples/osgi-outbound/src/META-INF/spring/osgi-outbound.xml
index 2ebf2c1e5c..2126491702 100644
--- a/spring-integration-samples/osgi-outbound/src/META-INF/spring/osgi-outbound.xml
+++ b/spring-integration-samples/osgi-outbound/src/META-INF/spring/osgi-outbound.xml
@@ -9,8 +9,7 @@
 		http://www.springframework.org/schema/integration/file http://www.springframework.org/schema/integration/file/spring-integration-file-1.0.xsd">
 
 	<osgi:reference id="filesIn"
-			interface="org.springframework.integration.channel.SubscribableChannel"
-			cardinality="0..1"/>
+			interface="org.springframework.integration.channel.SubscribableChannel"/>
 
 	<file:outbound-gateway id="filesOut"
 			request-channel="filesIn"