diff --git a/jOOQ-refaster/deprecation.refaster b/jOOQ-refaster/deprecation.refaster
index 3ffb4329e7..1e04233300 100644
Binary files a/jOOQ-refaster/deprecation.refaster and b/jOOQ-refaster/deprecation.refaster differ
diff --git a/jOOQ/src/main/java/org/jooq/impl/ToChar.java b/jOOQ/src/main/java/org/jooq/impl/ToChar.java
index 41b66d7550..14c0de9930 100644
--- a/jOOQ/src/main/java/org/jooq/impl/ToChar.java
+++ b/jOOQ/src/main/java/org/jooq/impl/ToChar.java
@@ -37,9 +37,11 @@
  */
 package org.jooq.impl;
 
-import static org.jooq.SQLDialect.MARIADB;
 // ...
-import static org.jooq.SQLDialect.MYSQL;
+import static org.jooq.SQLDialect.H2;
+// ...
+import static org.jooq.SQLDialect.POSTGRES;
+// ...
 import static org.jooq.impl.Names.N_TO_CHAR;
 import static org.jooq.impl.SQLDataType.VARCHAR;
 
@@ -58,7 +60,7 @@ final class ToChar extends AbstractField<String> {
      * Generated UID
      */
     private static final long            serialVersionUID  = 2484479701190490450L;
-    private static final Set<SQLDialect> NO_SUPPORT_NATIVE = SQLDialect.supportedBy(MARIADB, MYSQL);
+    private static final Set<SQLDialect> SUPPORT_NATIVE = SQLDialect.supportedBy(H2, POSTGRES);
     private final Field<?>               field;
     private final Field<String>          format;
 
@@ -71,7 +73,7 @@ final class ToChar extends AbstractField<String> {
 
     @Override
     public final void accept(Context<?> ctx) {
-        if (format == null && NO_SUPPORT_NATIVE.contains(ctx.dialect()))
+        if (format == null && !SUPPORT_NATIVE.contains(ctx.dialect()))
             acceptCast(ctx);
         else
             acceptNative(ctx);