diff --git a/extensions/resteasy-reactive/quarkus-resteasy-reactive-jackson-common/runtime/src/main/java/io/quarkus/resteasy/reactive/jackson/runtime/serialisers/JacksonBasicMessageBodyReader.java b/extensions/resteasy-reactive/quarkus-resteasy-reactive-jackson-common/runtime/src/main/java/io/quarkus/resteasy/reactive/jackson/runtime/serialisers/JacksonBasicMessageBodyReader.java
index ebcb0d39cfb8e..5991ea258e6a4 100644
--- a/extensions/resteasy-reactive/quarkus-resteasy-reactive-jackson-common/runtime/src/main/java/io/quarkus/resteasy/reactive/jackson/runtime/serialisers/JacksonBasicMessageBodyReader.java
+++ b/extensions/resteasy-reactive/quarkus-resteasy-reactive-jackson-common/runtime/src/main/java/io/quarkus/resteasy/reactive/jackson/runtime/serialisers/JacksonBasicMessageBodyReader.java
@@ -33,7 +33,7 @@ public Object readFrom(Class<Object> type, Type genericType, Annotation[] annota
         try {
             return doReadFrom(type, genericType, entityStream);
         } catch (MismatchedInputException e) {
-            throw new WebApplicationException(Response.Status.BAD_REQUEST);
+            throw new WebApplicationException(e, Response.Status.BAD_REQUEST);
         }
     }