diff --git a/jOOQ/src/main/java/org/jooq/types/ULong.java b/jOOQ/src/main/java/org/jooq/types/ULong.java
index 3f286d442e..a80aebbc6e 100644
--- a/jOOQ/src/main/java/org/jooq/types/ULong.java
+++ b/jOOQ/src/main/java/org/jooq/types/ULong.java
@@ -143,6 +143,11 @@ public final class ULong extends UNumber implements Comparable<ULong> {
         return value.doubleValue();
     }
 
+    @Override
+    public BigInteger toBigInteger() {
+        return value;
+    }
+
     @Override
     public int hashCode() {
         return value.hashCode();