diff --git a/quarkus/addons/common/reactive-messaging/src/main/java/org/kie/kogito/addon/quarkus/common/reactive/messaging/http/CloudEventHttpOutgoingDecorator.java b/quarkus/addons/common/reactive-messaging/src/main/java/org/kie/kogito/addon/quarkus/common/reactive/messaging/http/CloudEventHttpOutgoingDecorator.java
index 2aed1745489..2e068729f4f 100644
--- a/quarkus/addons/common/reactive-messaging/src/main/java/org/kie/kogito/addon/quarkus/common/reactive/messaging/http/CloudEventHttpOutgoingDecorator.java
+++ b/quarkus/addons/common/reactive-messaging/src/main/java/org/kie/kogito/addon/quarkus/common/reactive/messaging/http/CloudEventHttpOutgoingDecorator.java
@@ -22,8 +22,10 @@
 import org.kie.kogito.addon.quarkus.common.reactive.messaging.MessageDecorator;
 
 import io.quarkus.reactivemessaging.http.runtime.OutgoingHttpMetadata;
+import io.smallrye.reactive.messaging.ce.OutgoingCloudEventMetadata;
 
 import jakarta.ws.rs.core.HttpHeaders;
+import jakarta.ws.rs.core.MediaType;
 
 /**
  * Decorators for Http CloudEvents outgoing messages
@@ -40,6 +42,12 @@ public class CloudEventHttpOutgoingDecorator implements MessageDecorator {
     static final OutgoingHttpMetadata HTTP_RESPONSE_METADATA =
             new OutgoingHttpMetadata.Builder().addHeader(HttpHeaders.CONTENT_TYPE, CLOUD_EVENTS_CONTENT_TYPE).build();
 
+    /**
+     * Metadata to include content-type for binary CloudEvents messages
+     */
+    private static final OutgoingHttpMetadata HTTP_BINARY_RESPONSE_METADATA =
+            new OutgoingHttpMetadata.Builder().addHeader(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON).build();
+
     /**
      * Decorates a given payload with custom metadata needed by Http Outgoing processing
      *
@@ -48,6 +56,6 @@ public class CloudEventHttpOutgoingDecorator implements MessageDecorator {
      */
     @Override
     public <T> Message<T> decorate(Message<T> message) {
-        return message.addMetadata(HTTP_RESPONSE_METADATA);
+        return message.getMetadata(OutgoingCloudEventMetadata.class).isEmpty() ? message.addMetadata(HTTP_RESPONSE_METADATA) : message.addMetadata(HTTP_BINARY_RESPONSE_METADATA);
     }
 }