diff --git a/documentation-website/Writerside/topics/Data-Types.topic b/documentation-website/Writerside/topics/Data-Types.topic
index fb4c468c0b..004a075834 100644
--- a/documentation-website/Writerside/topics/Data-Types.topic
+++ b/documentation-website/Writerside/topics/Data-Types.topic
@@ -914,6 +914,7 @@
         <code-block lang="kotlin">
             class MealTimeNullTransformer : ColumnTransformer&lt;LocalTime, Meal?&gt; {
                 override fun wrap(value: LocalTime): Meal? = when {
+                    value.hour == 0 &amp;&amp; value.minute == 0 -&gt; null
                     value.hour &lt; 10 -&gt; Meal.BREAKFAST
                     value.hour &lt; 15 -&gt; Meal.LUNCH
                     else -&gt; Meal.DINNER
@@ -928,7 +929,7 @@
             }
 
             object Meals : Table() {
-                val mealTime: Column&lt;Meal?&gt; = time(&quot;meal_time&quot;).transform(MealTimeNullTransformer())
+                val mealTime: Column&lt;Meal?&gt; = time(&quot;meal_time&quot;).nullTransform(MealTimeNullTransformer())
             }
         </code-block>
     </chapter>