diff --git a/spring-cloud-stream-samples/sink/src/main/resources/application.yml b/spring-cloud-stream-samples/sink/src/main/resources/application.yml
index d4d0437d9..940f92d5f 100644
--- a/spring-cloud-stream-samples/sink/src/main/resources/application.yml
+++ b/spring-cloud-stream-samples/sink/src/main/resources/application.yml
@@ -3,7 +3,7 @@ server:
 spring:
   cloud:
     channels:
-      outputChannelName: testtock
+      inputChannelName: testtock
       # uncomment below to have this module consume from a specific partition
       # in the range of 0 to N-1, where N is the upstream module's partitionCount
       #consumerProperties:
diff --git a/spring-cloud-stream-samples/source/src/main/resources/application.yml b/spring-cloud-stream-samples/source/src/main/resources/application.yml
index 841c5b3e4..342e7cde2 100644
--- a/spring-cloud-stream-samples/source/src/main/resources/application.yml
+++ b/spring-cloud-stream-samples/source/src/main/resources/application.yml
@@ -4,7 +4,7 @@ fixedDelay: 5000
 spring:
   cloud:
     channels:
-      inputChannelName: testtock
+      outputChannelName: testtock
       # uncomment below to use the last digit of the seconds as a partition key
       # hashcode(key) % N is then applied with N being the partitionCount value
       # thus, even seconds should go to the 0 queue, odd seconds to the 1 queue
@@ -17,4 +17,4 @@ spring:
   profiles: extended
   cloud:
     channels:
-      inputChannelName: xformed
+      outputChannelName: xformed