diff --git a/extensions/jaxb/deployment/pom.xml b/extensions/jaxb/deployment/pom.xml
index fc665ddc3fe65..a496418bac757 100644
--- a/extensions/jaxb/deployment/pom.xml
+++ b/extensions/jaxb/deployment/pom.xml
@@ -52,6 +52,13 @@
                     </annotationProcessorPaths>
                 </configuration>
             </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-surefire-plugin</artifactId>
+                <configuration>
+                    <argLine>-Duser.language=en</argLine>
+                </configuration>
+            </plugin>
         </plugins>
     </build>
 
diff --git a/extensions/jaxb/deployment/src/main/java/io/quarkus/jaxb/deployment/JaxbProcessor.java b/extensions/jaxb/deployment/src/main/java/io/quarkus/jaxb/deployment/JaxbProcessor.java
index 29255342e9a08..22ce22a0d4643 100644
--- a/extensions/jaxb/deployment/src/main/java/io/quarkus/jaxb/deployment/JaxbProcessor.java
+++ b/extensions/jaxb/deployment/src/main/java/io/quarkus/jaxb/deployment/JaxbProcessor.java
@@ -316,35 +316,19 @@ FilteredJaxbClassesToBeBoundBuildItem filterBoundClasses(
 
     @BuildStep
     @Record(ExecutionTime.STATIC_INIT)
-    void validateDefaultJaxbContext(
+    void bindClassesToJaxbContext(
             JaxbConfig config,
             FilteredJaxbClassesToBeBoundBuildItem filteredClassesToBeBound,
             SynthesisFinishedBuildItem beanContainerState,
             JaxbContextConfigRecorder jaxbContextConfig /* Force the build time container to invoke this method */) {
 
-        if (config.validateJaxbContext) {
-            final BeanResolver beanResolver = beanContainerState.getBeanResolver();
-            final Set<BeanInfo> beans = beanResolver
-                    .resolveBeans(Type.create(DotName.createSimple(JAXBContext.class), org.jboss.jandex.Type.Kind.CLASS));
-            if (!beans.isEmpty()) {
-                jaxbContextConfig.addClassesToBeBound(filteredClassesToBeBound.getClasses());
-                final BeanInfo bean = beanResolver.resolveAmbiguity(beans);
-                if (bean.isDefaultBean()) {
-                    /*
-                     * Validate the default JAXB context at build time and fail early.
-                     * Do this only if the user application actually requires the default JAXBContext bean
-                     */
-                    try {
-                        JAXBContext.newInstance(filteredClassesToBeBound.getClasses().toArray(new Class[0]));
-                    } catch (JAXBException e) {
-                        /*
-                         * Producing a ValidationErrorBuildItem would perhaps be more natural here,
-                         * but doing so causes a cycle between this and reactive JAXB extension
-                         * Throwing from here works well too
-                         */
-                        throw new DeploymentException("Failed to create or validate the default JAXBContext", e);
-                    }
-                }
+        final BeanResolver beanResolver = beanContainerState.getBeanResolver();
+        final Set<BeanInfo> beans = beanResolver
+                .resolveBeans(Type.create(DotName.createSimple(JAXBContext.class), org.jboss.jandex.Type.Kind.CLASS));
+        if (!beans.isEmpty()) {
+            jaxbContextConfig.addClassesToBeBound(filteredClassesToBeBound.getClasses());
+            if (config.validateJaxbContext) {
+                validateJaxbContext(filteredClassesToBeBound, beanResolver, beans);
             }
         }
     }
@@ -354,6 +338,27 @@ void registerProduces(BuildProducer<AdditionalBeanBuildItem> additionalBeans) {
         additionalBeans.produce(new AdditionalBeanBuildItem(JaxbContextProducer.class));
     }
 
+    private void validateJaxbContext(FilteredJaxbClassesToBeBoundBuildItem filteredClassesToBeBound, BeanResolver beanResolver,
+            Set<BeanInfo> beans) {
+        final BeanInfo bean = beanResolver.resolveAmbiguity(beans);
+        if (bean.isDefaultBean()) {
+            /*
+             * Validate the default JAXB context at build time and fail early.
+             * Do this only if the user application actually requires the default JAXBContext bean
+             */
+            try {
+                JAXBContext.newInstance(filteredClassesToBeBound.getClasses().toArray(new Class[0]));
+            } catch (JAXBException e) {
+                /*
+                 * Producing a ValidationErrorBuildItem would perhaps be more natural here,
+                 * but doing so causes a cycle between this and reactive JAXB extension
+                 * Throwing from here works well too
+                 */
+                throw new DeploymentException("Failed to create or validate the default JAXBContext", e);
+            }
+        }
+    }
+
     private void handleJaxbFile(Path p, BuildProducer<NativeImageResourceBuildItem> resource,
             BuildProducer<ReflectiveClassBuildItem> reflectiveClass,
             List<String> classesToBeBound) {
diff --git a/extensions/jaxb/deployment/src/test/java/io/quarkus/jaxb/deployment/ConflictingModelClassesMarshalerOnlyTest.java b/extensions/jaxb/deployment/src/test/java/io/quarkus/jaxb/deployment/ConflictingModelClassesMarshalerOnlyTest.java
index 14badfff6285f..8a04c217d2a37 100644
--- a/extensions/jaxb/deployment/src/test/java/io/quarkus/jaxb/deployment/ConflictingModelClassesMarshalerOnlyTest.java
+++ b/extensions/jaxb/deployment/src/test/java/io/quarkus/jaxb/deployment/ConflictingModelClassesMarshalerOnlyTest.java
@@ -26,6 +26,7 @@ public class ConflictingModelClassesMarshalerOnlyTest {
 
     @RegisterExtension
     static final QuarkusUnitTest config = new QuarkusUnitTest()
+            .withConfigurationResource("application-enable-validation.properties")
             .withApplicationRoot((jar) -> jar
                     .addClasses(
                             io.quarkus.jaxb.deployment.one.Model.class,
diff --git a/extensions/jaxb/deployment/src/test/java/io/quarkus/jaxb/deployment/ConflictingModelClassesTest.java b/extensions/jaxb/deployment/src/test/java/io/quarkus/jaxb/deployment/ConflictingModelClassesTest.java
index bcded32283401..1c7274481b75a 100644
--- a/extensions/jaxb/deployment/src/test/java/io/quarkus/jaxb/deployment/ConflictingModelClassesTest.java
+++ b/extensions/jaxb/deployment/src/test/java/io/quarkus/jaxb/deployment/ConflictingModelClassesTest.java
@@ -25,6 +25,7 @@ public class ConflictingModelClassesTest {
 
     @RegisterExtension
     static final QuarkusUnitTest config = new QuarkusUnitTest()
+            .withConfigurationResource("application-enable-validation.properties")
             .withApplicationRoot((jar) -> jar
                     .addClasses(
                             io.quarkus.jaxb.deployment.one.Model.class,
diff --git a/extensions/jaxb/deployment/src/test/resources/application-enable-validation.properties b/extensions/jaxb/deployment/src/test/resources/application-enable-validation.properties
new file mode 100644
index 0000000000000..ab8094de90586
--- /dev/null
+++ b/extensions/jaxb/deployment/src/test/resources/application-enable-validation.properties
@@ -0,0 +1 @@
+quarkus.jaxb.validate-jaxb-context=true
\ No newline at end of file
diff --git a/extensions/jaxb/runtime/src/main/java/io/quarkus/jaxb/runtime/JaxbConfig.java b/extensions/jaxb/runtime/src/main/java/io/quarkus/jaxb/runtime/JaxbConfig.java
index bd2a0114e49e6..10aee70162135 100644
--- a/extensions/jaxb/runtime/src/main/java/io/quarkus/jaxb/runtime/JaxbConfig.java
+++ b/extensions/jaxb/runtime/src/main/java/io/quarkus/jaxb/runtime/JaxbConfig.java
@@ -13,7 +13,7 @@ public class JaxbConfig {
     /**
      * If enabled, it will validate the default JAXB context at build time.
      */
-    @ConfigItem(defaultValue = "true")
+    @ConfigItem(defaultValue = "false")
     public boolean validateJaxbContext;
 
     /**