diff --git a/extensions/resteasy-reactive/rest-jackson/deployment/src/main/java/io/quarkus/resteasy/reactive/jackson/deployment/processor/JacksonCodeGenerator.java b/extensions/resteasy-reactive/rest-jackson/deployment/src/main/java/io/quarkus/resteasy/reactive/jackson/deployment/processor/JacksonCodeGenerator.java
index fc49caf53da99..141af26ef3032 100644
--- a/extensions/resteasy-reactive/rest-jackson/deployment/src/main/java/io/quarkus/resteasy/reactive/jackson/deployment/processor/JacksonCodeGenerator.java
+++ b/extensions/resteasy-reactive/rest-jackson/deployment/src/main/java/io/quarkus/resteasy/reactive/jackson/deployment/processor/JacksonCodeGenerator.java
@@ -357,6 +357,7 @@ String writtenType() {
                 case "java.lang.Long" -> "long";
                 case "java.lang.Double" -> "double";
                 case "java.lang.Float" -> "float";
+                case "java.lang.Boolean" -> "boolean";
                 default -> fieldType.name().toString();
             };
         }
diff --git a/extensions/resteasy-reactive/rest-jackson/deployment/src/test/java/io/quarkus/resteasy/reactive/jackson/deployment/test/Dog.java b/extensions/resteasy-reactive/rest-jackson/deployment/src/test/java/io/quarkus/resteasy/reactive/jackson/deployment/test/Dog.java
index 20a4d3e2166b4..ebea3f8df9d03 100644
--- a/extensions/resteasy-reactive/rest-jackson/deployment/src/test/java/io/quarkus/resteasy/reactive/jackson/deployment/test/Dog.java
+++ b/extensions/resteasy-reactive/rest-jackson/deployment/src/test/java/io/quarkus/resteasy/reactive/jackson/deployment/test/Dog.java
@@ -7,6 +7,9 @@ public class Dog extends AbstractNamedPet {
     @JsonProperty("age")
     private int publicAge;
 
+    @JsonProperty("vaccinated")
+    private Boolean publicVaccinated;
+
     public int getPublicAge() {
         return publicAge;
     }
@@ -14,4 +17,12 @@ public int getPublicAge() {
     public void setPublicAge(int publicAge) {
         this.publicAge = publicAge;
     }
+
+    public Boolean getPublicVaccinated() {
+        return publicVaccinated;
+    }
+
+    public void setPublicVaccinated(Boolean publicVaccinated) {
+        this.publicVaccinated = publicVaccinated;
+    }
 }
diff --git a/extensions/resteasy-reactive/rest-jackson/deployment/src/test/java/io/quarkus/resteasy/reactive/jackson/deployment/test/SimpleJsonResource.java b/extensions/resteasy-reactive/rest-jackson/deployment/src/test/java/io/quarkus/resteasy/reactive/jackson/deployment/test/SimpleJsonResource.java
index 0595f346dc4f7..05235155aad78 100644
--- a/extensions/resteasy-reactive/rest-jackson/deployment/src/test/java/io/quarkus/resteasy/reactive/jackson/deployment/test/SimpleJsonResource.java
+++ b/extensions/resteasy-reactive/rest-jackson/deployment/src/test/java/io/quarkus/resteasy/reactive/jackson/deployment/test/SimpleJsonResource.java
@@ -171,6 +171,7 @@ private static Dog createDog() {
         dog.setPrivateName("Jack");
         dog.setPublicName("Leo");
         dog.setVeterinarian(createVeterinarian());
+        dog.setPublicVaccinated(true);
         return dog;
     }
 
diff --git a/extensions/resteasy-reactive/rest-jackson/deployment/src/test/java/io/quarkus/resteasy/reactive/jackson/deployment/test/SimpleJsonTest.java b/extensions/resteasy-reactive/rest-jackson/deployment/src/test/java/io/quarkus/resteasy/reactive/jackson/deployment/test/SimpleJsonTest.java
index 93717d4c53028..6dd69a65347ca 100644
--- a/extensions/resteasy-reactive/rest-jackson/deployment/src/test/java/io/quarkus/resteasy/reactive/jackson/deployment/test/SimpleJsonTest.java
+++ b/extensions/resteasy-reactive/rest-jackson/deployment/src/test/java/io/quarkus/resteasy/reactive/jackson/deployment/test/SimpleJsonTest.java
@@ -661,7 +661,7 @@ private static void testSecuredFieldOnAbstractClass(String catPath, String dogPa
     public void testEcho() {
         RestAssured
                 .with()
-                .body("{\"publicName\":\"Leo\",\"veterinarian\":{\"name\":\"Dolittle\"},\"age\":5}")
+                .body("{\"publicName\":\"Leo\",\"veterinarian\":{\"name\":\"Dolittle\"},\"age\":5,\"vaccinated\":true}")
                 .contentType("application/json; charset=utf-8")
                 .post("/simple/dog-echo")
                 .then()
@@ -670,6 +670,7 @@ public void testEcho() {
                 .body("publicName", Matchers.is("Leo"))
                 .body("privateName", Matchers.nullValue())
                 .body("age", Matchers.is(5))
+                .body("vaccinated", Matchers.is(true))
                 .body("veterinarian.name", Matchers.is("Dolittle"))
                 .body("veterinarian.title", Matchers.nullValue());
     }