diff --git a/extensions/resteasy-reactive/quarkus-resteasy-reactive/deployment/src/main/java/io/quarkus/resteasy/reactive/server/deployment/CustomResourceProducersGenerator.java b/extensions/resteasy-reactive/quarkus-resteasy-reactive/deployment/src/main/java/io/quarkus/resteasy/reactive/server/deployment/CustomResourceProducersGenerator.java
index b7abae03c0b8ab..a0b95bbb21214d 100644
--- a/extensions/resteasy-reactive/quarkus-resteasy-reactive/deployment/src/main/java/io/quarkus/resteasy/reactive/server/deployment/CustomResourceProducersGenerator.java
+++ b/extensions/resteasy-reactive/quarkus-resteasy-reactive/deployment/src/main/java/io/quarkus/resteasy/reactive/server/deployment/CustomResourceProducersGenerator.java
@@ -175,8 +175,8 @@ public static void generate(Map<DotName, MethodInfo> resourcesThatNeedCustomProd
                 ResultHandle quarkusRestContextHandle = m.invokeVirtualMethod(getContextMethodCreator.getMethodDescriptor(),
                         m.getThis());
                 ResultHandle extractorHandle = m.newInstance(
-                        MethodDescriptor.ofConstructor(CookieParamExtractor.class, String.class),
-                        m.getMethodParam(0));
+                        MethodDescriptor.ofConstructor(CookieParamExtractor.class, String.class, String.class),
+                        m.getMethodParam(0), m.loadNull());
                 ResultHandle resultHandle = m.invokeVirtualMethod(MethodDescriptor.ofMethod(CookieParamExtractor.class,
                         "extractParameter", Object.class, ResteasyReactiveRequestContext.class), extractorHandle,
                         quarkusRestContextHandle);