diff --git a/modules/openapi-generator/src/test/java/org/openapitools/codegen/java/JavaClientCodegenTest.java b/modules/openapi-generator/src/test/java/org/openapitools/codegen/java/JavaClientCodegenTest.java
index 27e156ca9d7..f335afb5663 100644
--- a/modules/openapi-generator/src/test/java/org/openapitools/codegen/java/JavaClientCodegenTest.java
+++ b/modules/openapi-generator/src/test/java/org/openapitools/codegen/java/JavaClientCodegenTest.java
@@ -1491,6 +1491,38 @@ public class JavaClientCodegenTest {
                 .containsWithNameAndAttributes("JsonbProperty", ImmutableMap.of("value", "\"c\""));
     }
 
+    @Test
+    public void testMicroprofileGenerateCorrectJacksonGenerator_issue18336() throws Exception {
+        Map<String, Object> properties = new HashMap<>();
+        properties.put(JavaClientCodegen.MICROPROFILE_REST_CLIENT_VERSION, "3.0");
+        properties.put(CodegenConstants.SERIALIZATION_LIBRARY, JavaClientCodegen.SERIALIZATION_LIBRARY_JACKSON);
+
+        File output = Files.createTempDirectory("test").toFile();
+        output.deleteOnExit();
+
+        final CodegenConfigurator configurator = new CodegenConfigurator()
+
+                .setAdditionalProperties(properties)
+                .setGeneratorName("java")
+                .setLibrary(JavaClientCodegen.MICROPROFILE)
+                .setInputSpec("src/test/resources/bugs/issue_18336.yaml")
+                .setOutputDir(output.getAbsolutePath().replace("\\", "/"));
+
+        final ClientOptInput clientOptInput = configurator.toClientOptInput();
+        DefaultGenerator generator = new DefaultGenerator();
+        Map<String, File> files = generator.opts(clientOptInput).generate().stream()
+                .collect(Collectors.toMap(File::getName, Function.identity()));
+
+        JavaFileAssert.assertThat(files.get("Pet.java"))
+                .assertConstructor("String")
+                .assertConstructorAnnotations()
+                .containsWithName("JsonCreator")
+                .toConstructor()
+                .hasParameter("name")
+                .assertParameterAnnotations()
+                .containsWithNameAndAttributes("JsonProperty", ImmutableMap.of("value", "JSON_PROPERTY_NAME", "required", "true"));
+    }
+
     @Test public void testJavaClientDefaultValues_issueNoNumber() {
         final Path output = newTempFolder();
         final CodegenConfigurator configurator = new CodegenConfigurator()