diff --git a/jOOQ/src/main/java/org/jooq/impl/JSONEntryImpl.java b/jOOQ/src/main/java/org/jooq/impl/JSONEntryImpl.java
index 9550c72bcf..484c6fa330 100644
--- a/jOOQ/src/main/java/org/jooq/impl/JSONEntryImpl.java
+++ b/jOOQ/src/main/java/org/jooq/impl/JSONEntryImpl.java
@@ -189,6 +189,11 @@ final class JSONEntryImpl<T> extends AbstractQueryPart implements JSONEntry<T>,
             case H2:
                 if (isType(type, UUID.class))
                     return field.cast(VARCHAR(36));
+
+                // This is fixed, but not in 2.1.210 yet:
+                // https://github.com/h2database/h2database/issues/3439
+                else if (type.isEnum())
+                    return field.cast(VARCHAR);
                 else if (type.isTemporal())
                     return field.cast(VARCHAR);