diff --git a/core/deployment/src/test/java/io/quarkiverse/operatorsdk/test/KubernetesClientSerializationCustomizerTest.java b/core/deployment/src/test/java/io/quarkiverse/operatorsdk/test/KubernetesClientSerializationCustomizerTest.java
index 869dda60..996b70a3 100644
--- a/core/deployment/src/test/java/io/quarkiverse/operatorsdk/test/KubernetesClientSerializationCustomizerTest.java
+++ b/core/deployment/src/test/java/io/quarkiverse/operatorsdk/test/KubernetesClientSerializationCustomizerTest.java
@@ -11,39 +11,62 @@
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.databind.ObjectMapper;
 
-import io.fabric8.kubernetes.api.model.ObjectMeta;
 import io.fabric8.kubernetes.client.KubernetesClient;
 import io.quarkiverse.operatorsdk.runtime.KubernetesClientSerializationCustomizer;
+import io.quarkiverse.operatorsdk.runtime.QuarkusConfigurationService;
+import io.quarkiverse.operatorsdk.test.sources.SimpleCR;
+import io.quarkiverse.operatorsdk.test.sources.SimpleSpec;
+import io.quarkiverse.operatorsdk.test.sources.SimpleStatus;
 import io.quarkus.jackson.ObjectMapperCustomizer;
+import io.quarkus.kubernetes.client.KubernetesClientObjectMapperCustomizer;
 import io.quarkus.test.QuarkusUnitTest;
 
 public class KubernetesClientSerializationCustomizerTest {
 
     @Inject
     KubernetesClient kubernetesClient;
+    @Inject
+    QuarkusConfigurationService service;
 
     @Test
     public void kubernetesClientUsesCustomizedObjectMapper() {
-        final var result = kubernetesClient.getKubernetesSerialization()
-                .unmarshal("{\"quarkusName\":\"the-name\"}", ObjectMeta.class);
-        assertEquals("the-name", result.getName());
+        assertEquals(service.getKubernetesClient(), kubernetesClient);
+        var serialization = kubernetesClient.getKubernetesSerialization();
+        var result = serialization
+                .unmarshal("{\"spec\": {\"mixin\": \"fromMixin\"},\"status\":{\"mixin\": \"fromMixin\"}}", SimpleCR.class);
+        assertEquals("fromMixin", result.getSpec().value);
+        assertEquals("fromMixin", result.getStatus().value);
+
+        serialization = service.getKubernetesClient().getKubernetesSerialization();
+        result = serialization
+                .unmarshal("{\"spec\": {\"mixin\": \"fromMixin\"},\"status\":{\"mixin\": \"fromMixin\"}}", SimpleCR.class);
+        assertEquals("fromMixin", result.getSpec().value);
+        assertEquals("fromMixin", result.getStatus().value);
     }
 
     @RegisterExtension
     static QuarkusUnitTest runner = new QuarkusUnitTest()
-            .withApplicationRoot(jar -> jar.addClasses(Customizer.class));
+            .withApplicationRoot(jar -> jar.addClasses(Customizer.class, Customizer2.class, ValueMixIn.class, SimpleCR.class,
+                    SimpleSpec.class, SimpleStatus.class));
 
     @Singleton
     @KubernetesClientSerializationCustomizer
     public static class Customizer implements ObjectMapperCustomizer {
         @Override
         public void customize(ObjectMapper objectMapper) {
-            objectMapper.addMixIn(ObjectMeta.class, ObjectMetaMixin.class);
+            objectMapper.addMixIn(SimpleSpec.class, ValueMixIn.class);
         }
+    }
 
-        private static final class ObjectMetaMixin {
-            @JsonProperty("quarkusName")
-            String name;
+    private static final class ValueMixIn {
+        @JsonProperty("mixin")
+        String value;
+    }
+
+    @Singleton
+    public static class Customizer2 implements KubernetesClientObjectMapperCustomizer {
+        public void customize(ObjectMapper objectMapper) {
+            objectMapper.addMixIn(SimpleStatus.class, ValueMixIn.class);
         }
     }
 }
diff --git a/core/deployment/src/test/java/io/quarkiverse/operatorsdk/test/sources/SimpleSpec.java b/core/deployment/src/test/java/io/quarkiverse/operatorsdk/test/sources/SimpleSpec.java
index b3b482db..f5b97fc2 100644
--- a/core/deployment/src/test/java/io/quarkiverse/operatorsdk/test/sources/SimpleSpec.java
+++ b/core/deployment/src/test/java/io/quarkiverse/operatorsdk/test/sources/SimpleSpec.java
@@ -1,5 +1,5 @@
 package io.quarkiverse.operatorsdk.test.sources;
 
 public class SimpleSpec {
-
+    public String value;
 }
diff --git a/core/deployment/src/test/java/io/quarkiverse/operatorsdk/test/sources/SimpleStatus.java b/core/deployment/src/test/java/io/quarkiverse/operatorsdk/test/sources/SimpleStatus.java
index 6733de39..19468e4f 100644
--- a/core/deployment/src/test/java/io/quarkiverse/operatorsdk/test/sources/SimpleStatus.java
+++ b/core/deployment/src/test/java/io/quarkiverse/operatorsdk/test/sources/SimpleStatus.java
@@ -1,5 +1,5 @@
 package io.quarkiverse.operatorsdk.test.sources;
 
 public class SimpleStatus {
-
+    public String value;
 }
diff --git a/core/runtime/src/main/java/io/quarkiverse/operatorsdk/runtime/BuildTimeControllerConfiguration.java b/core/runtime/src/main/java/io/quarkiverse/operatorsdk/runtime/BuildTimeControllerConfiguration.java
index 6a70ab28..5e233717 100644
--- a/core/runtime/src/main/java/io/quarkiverse/operatorsdk/runtime/BuildTimeControllerConfiguration.java
+++ b/core/runtime/src/main/java/io/quarkiverse/operatorsdk/runtime/BuildTimeControllerConfiguration.java
@@ -22,9 +22,8 @@ public class BuildTimeControllerConfiguration {
      * <p>
      * Note that this is provided as a means to quickly deploy a specific controller to test it by applying the generated
      * manifests to the target cluster. If empty, no manifests will be generated. The namespace in which the controller will be
-     * deployed will
-     * be the currently configured namespace as specified by your {@code .kube/config} file, unless you specify the target
-     * deployment namespace using the {@code quarkus.kubernetes.namespace} property.
+     * deployed will be the currently configured namespace as specified by your {@code .kube/config} file, unless you specify
+     * the target deployment namespace using the {@code quarkus.kubernetes.namespace} property.
      * </p>
      *
      * <p>