diff --git a/VectoCore/VectoCore/InputData/Reader/DrivingCycleDataReader.cs b/VectoCore/VectoCore/InputData/Reader/DrivingCycleDataReader.cs
index f11069f599b0777b2611985a9faee572670b8dd4..f96002fd60d3f25cde84d54709cde53163dad408 100644
--- a/VectoCore/VectoCore/InputData/Reader/DrivingCycleDataReader.cs
+++ b/VectoCore/VectoCore/InputData/Reader/DrivingCycleDataReader.cs
@@ -311,7 +311,7 @@ namespace TUGraz.VectoCore.InputData.Reader
 				return false;
 			}
 
-			if (first.PTOActive != second.PTOActive || first.PTOActive == PTOActivity.PTOActivityWhileDrive) {
+			if (first.PTOActive != second.PTOActive || first.PTOActive == PTOActivity.PTOActivityWhileDrive || first.PTOActive == PTOActivity.PTOActivityRoadSweeping) {
 				return false;
 			}