diff --git a/extensions/resteasy-reactive/jaxrs-client-reactive/deployment/src/main/java/io/quarkus/jaxrs/client/reactive/deployment/JaxrsClientReactiveProcessor.java b/extensions/resteasy-reactive/jaxrs-client-reactive/deployment/src/main/java/io/quarkus/jaxrs/client/reactive/deployment/JaxrsClientReactiveProcessor.java
index 96fdcf0c65fb1..cea258ce2771c 100644
--- a/extensions/resteasy-reactive/jaxrs-client-reactive/deployment/src/main/java/io/quarkus/jaxrs/client/reactive/deployment/JaxrsClientReactiveProcessor.java
+++ b/extensions/resteasy-reactive/jaxrs-client-reactive/deployment/src/main/java/io/quarkus/jaxrs/client/reactive/deployment/JaxrsClientReactiveProcessor.java
@@ -47,7 +47,6 @@
 import java.util.function.Predicate;
 import java.util.function.Supplier;
 import java.util.regex.Pattern;
-import java.util.stream.Collectors;
 
 import jakarta.ws.rs.ProcessingException;
 import jakarta.ws.rs.RuntimeType;
@@ -287,8 +286,7 @@ void setupClientProxies(JaxrsClientReactiveRecorder recorder,
             scannedParameterContainers.addAll(parameterContainersBuildItem.getClassNames());
         }
         reflectiveClassBuildItemBuildProducer.produce(ReflectiveClassBuildItem
-                .builder(scannedParameterContainers.stream().map(name -> name.toString()).collect(Collectors.toSet())
-                        .toArray(new String[0]))
+                .builder(scannedParameterContainers.stream().map(DotName::toString).distinct().toArray(String[]::new))
                 .methods().fields().build());
 
         if (resourceScanningResultBuildItem.isEmpty()