diff --git a/jOOQ/src/main/java/org/jooq/impl/DefaultDataType.java b/jOOQ/src/main/java/org/jooq/impl/DefaultDataType.java
index 31b7254b3d..0344b0bb6e 100644
--- a/jOOQ/src/main/java/org/jooq/impl/DefaultDataType.java
+++ b/jOOQ/src/main/java/org/jooq/impl/DefaultDataType.java
@@ -1206,7 +1206,7 @@ public class DefaultDataType<T> implements DataType<T> {
         return unmodifiableCollection(SQL_DATATYPES_BY_TYPE.keySet());
     }
 
-    static final Collection<DataType<?>> dataTypes() {
+    static final Collection<DefaultDataType<?>> dataTypes() {
         return unmodifiableCollection(SQL_DATATYPES_BY_TYPE.values());
     }