diff --git a/Tynamix.ObjectFiller/Filler.cs b/Tynamix.ObjectFiller/Filler.cs
index 8b2f73e..78d7b75 100644
--- a/Tynamix.ObjectFiller/Filler.cs
+++ b/Tynamix.ObjectFiller/Filler.cs
@@ -1,6 +1,6 @@
 // --------------------------------------------------------------------------------------------------------------------
 // <copyright file="Filler.cs" company="Tynamix">
-//   © 2015 by Roman Köhler
+//   © 2015 by Roman Köhler
 // </copyright>
 // <summary>
 //   The ObjectFiller.NET fills the public properties of your .NET object
@@ -389,7 +389,7 @@ private static bool TypeIsValidForObjectFiller(Type type, FillerSetupItem curren
                    || (TypeIsList(type) && ListParamTypeIsValid(type, currentSetupItem))
                    || (TypeIsDictionary(type) && DictionaryParamTypesAreValid(type, currentSetupItem))
                    || TypeIsPoco(type)
-                   || TypeIsEnum(type)
+                   || TypeIsEnum(type) || TypeIsNullableEnum(type) 
                    || (type.IsInterface() && currentSetupItem.InterfaceToImplementation.ContainsKey(type)
                        || currentSetupItem.InterfaceMocker != null);
 
@@ -1214,4 +1214,4 @@ private bool TypeIsArray(Type type)
 
 #endregion
     }
-}
\ No newline at end of file
+}