diff --git a/multi-io-samples/kafka-streams/user-clicks-per-region-1.2.x/log-user-clicks-per-region/pom.xml b/multi-io-samples/kafka-streams/user-clicks-per-region-1.2.x/log-user-clicks-per-region/pom.xml
index 6c4c67b..d7446e4 100644
--- a/multi-io-samples/kafka-streams/user-clicks-per-region-1.2.x/log-user-clicks-per-region/pom.xml
+++ b/multi-io-samples/kafka-streams/user-clicks-per-region-1.2.x/log-user-clicks-per-region/pom.xml
@@ -56,6 +56,11 @@
       <artifactId>spel-function</artifactId>
       <version>1.0.3</version>
     </dependency>
+    <dependency>
+      <groupId>org.springframework.cloud.fn</groupId>
+      <artifactId>payload-converter-function</artifactId>
+      <version>1.0.3</version>
+    </dependency>
     <dependency>
       <groupId>org.springframework.cloud.stream.app</groupId>
       <artifactId>stream-applications-composite-function-support</artifactId>
diff --git a/multi-io-samples/kafka-streams/user-clicks-per-region-1.2.x/log-user-clicks-per-region/src/main/resources/application.yml b/multi-io-samples/kafka-streams/user-clicks-per-region-1.2.x/log-user-clicks-per-region/src/main/resources/application.yml
index c468657..3f8447c 100644
--- a/multi-io-samples/kafka-streams/user-clicks-per-region-1.2.x/log-user-clicks-per-region/src/main/resources/application.yml
+++ b/multi-io-samples/kafka-streams/user-clicks-per-region-1.2.x/log-user-clicks-per-region/src/main/resources/application.yml
@@ -1,4 +1,4 @@
-spring.cloud.function.definition: logConsumer
+spring.cloud.function.definition: byteArrayTextToString|logConsumer
 spring.cloud.stream.function.bindings.logConsumer-in-0: input
 
 spring.cloud.stream.bindings.input.consumer.useNativeDecoding: true