diff --git a/jOOQ-jackson-extensions/src/main/java/org/jooq/jackson/extensions/converters/AbstractToJacksonConverter.java b/jOOQ-jackson-extensions/src/main/java/org/jooq/jackson/extensions/converters/AbstractToJacksonConverter.java
index a55f33efbf..e92e2f56b1 100644
--- a/jOOQ-jackson-extensions/src/main/java/org/jooq/jackson/extensions/converters/AbstractToJacksonConverter.java
+++ b/jOOQ-jackson-extensions/src/main/java/org/jooq/jackson/extensions/converters/AbstractToJacksonConverter.java
@@ -63,7 +63,7 @@ abstract class AbstractToJacksonConverter<J, U> extends AbstractConverter<J, U>
         mapper = JsonMapper
             .builder()
             .addModule(new JavaTimeModule())
-            .addModule(new KotlinModule())
+            .addModule(new KotlinModule.Builder().build())
             .build();
     }