diff --git a/VectoCore/VectoCore/InputData/Reader/DataObjectAdapter/DeclarationDataAdapter.cs b/VectoCore/VectoCore/InputData/Reader/DataObjectAdapter/DeclarationDataAdapter.cs
index 35faf312e2f6bc2ac878fd9aeff2b13a417a5782..c3696d9f0b8b3647e7a5ee848732e9513792f562 100644
--- a/VectoCore/VectoCore/InputData/Reader/DataObjectAdapter/DeclarationDataAdapter.cs
+++ b/VectoCore/VectoCore/InputData/Reader/DataObjectAdapter/DeclarationDataAdapter.cs
@@ -133,7 +133,8 @@ namespace TUGraz.VectoCore.InputData.Reader.DataObjectAdapter
 					TwinTyres = DeclarationData.Trailer.TwinTyres,
 					RollResistanceCoefficient = DeclarationData.Trailer.RollResistanceCoefficient,
 					TyreTestLoad = DeclarationData.Trailer.TyreTestLoad.SI<Newton>(),
-					Inertia = trailerWheel.Inertia
+					Inertia = trailerWheel.Inertia,
+					WheelsDimension = trailerWheel.WheelType
 				}));
 			}
 			retVal.AxleData = axleData;
@@ -473,4 +474,4 @@ namespace TUGraz.VectoCore.InputData.Reader.DataObjectAdapter
 			};
 		}
 	}
-}
\ No newline at end of file
+}
diff --git a/VectoCore/VectoCore/OutputData/XML/XMLDeclarationWriter.cs b/VectoCore/VectoCore/OutputData/XML/XMLDeclarationWriter.cs
index 6de5fdc8d3479c7aaba172c7ae73246a59a8849d..917ed39bcfb3848f5de3c247a1fffc0a87c0c8bb 100644
--- a/VectoCore/VectoCore/OutputData/XML/XMLDeclarationWriter.cs
+++ b/VectoCore/VectoCore/OutputData/XML/XMLDeclarationWriter.cs
@@ -419,7 +419,7 @@ namespace TUGraz.VectoCore.OutputData.XML
 
 		private string CreateIdString(string id)
 		{
-			var regexp = new Regex("[^a-zA-Z0-9_-]");
+			var regexp = new Regex("[^a-zA-Z0-9_.-]");
 			return regexp.Replace(id, "");
 		}
 	}