diff --git a/backend/src/Logitar.Cms.Core/FieldTypes/Properties/ReadOnlyDateTimeProperties.cs b/backend/src/Logitar.Cms.Core/FieldTypes/Properties/ReadOnlyDateTimeProperties.cs
index f9c4e30..69d70c0 100644
--- a/backend/src/Logitar.Cms.Core/FieldTypes/Properties/ReadOnlyDateTimeProperties.cs
+++ b/backend/src/Logitar.Cms.Core/FieldTypes/Properties/ReadOnlyDateTimeProperties.cs
@@ -16,7 +16,7 @@ public ReadOnlyDateTimeProperties() : this(null, null)
   {
   }
 
-  public ReadOnlyDateTimeProperties(IDateTimeProperties number) : this(number.MinimumValue, number.MaximumValue)
+  public ReadOnlyDateTimeProperties(IDateTimeProperties dateTime) : this(dateTime.MinimumValue, dateTime.MaximumValue)
   {
   }