diff --git a/jOOQ/src/main/java/org/jooq/impl/Abs.java b/jOOQ/src/main/java/org/jooq/impl/Abs.java
index c8a22ea60d..a49536a140 100644
--- a/jOOQ/src/main/java/org/jooq/impl/Abs.java
+++ b/jOOQ/src/main/java/org/jooq/impl/Abs.java
@@ -68,7 +68,7 @@ extends
     Abs(
         Field<T> number
     ) {
-        super(N_ABS, allNotNull((DataType) INTEGER, number));
+        super(N_ABS, allNotNull((DataType) dataType(INTEGER, number, false), number));
 
         this.number = nullSafeNotNull(number, INTEGER);
     }
diff --git a/jOOQ/src/main/java/org/jooq/impl/Tools.java b/jOOQ/src/main/java/org/jooq/impl/Tools.java
index 7a0bcbfb44..92add49ac7 100644
--- a/jOOQ/src/main/java/org/jooq/impl/Tools.java
+++ b/jOOQ/src/main/java/org/jooq/impl/Tools.java
@@ -5896,12 +5896,12 @@ final class Tools {
         return result;
     }
 
-    private static final DataType<?> dataType(Field<?> field) {
+    static final DataType<?> dataType(Field<?> field) {
         return dataType(OTHER, field, false);
     }
 
     @SuppressWarnings("unchecked")
-    private static final <T> DataType<T> dataType(DataType<T> defaultType, Field<?> field, boolean preferDefault) {
+    static final <T> DataType<T> dataType(DataType<T> defaultType, Field<?> field, boolean preferDefault) {
         return field == null
              ? defaultType
              : preferDefault && field.getType() != defaultType.getType()