diff --git a/jOOQ/src/main/java/org/jooq/impl/KeywordImpl.java b/jOOQ/src/main/java/org/jooq/impl/KeywordImpl.java
index 307af208d9..302502c644 100644
--- a/jOOQ/src/main/java/org/jooq/impl/KeywordImpl.java
+++ b/jOOQ/src/main/java/org/jooq/impl/KeywordImpl.java
@@ -47,7 +47,7 @@ import org.jooq.conf.SettingsTools;
  *
  * @author Lukas Eder
  */
-public class KeywordImpl extends AbstractQueryPart implements Keyword {
+final class KeywordImpl extends AbstractQueryPart implements Keyword {
 
     /**
      * Generated UID