diff --git a/VectoCommon/VectoCommon/InputData/DeclarationInputData.cs b/VectoCommon/VectoCommon/InputData/DeclarationInputData.cs
index 914d702e4f9be1e017ef31316919f3338ed4b07b..c257fdbb325f587149f18a94937732b1cba95739 100644
--- a/VectoCommon/VectoCommon/InputData/DeclarationInputData.cs
+++ b/VectoCommon/VectoCommon/InputData/DeclarationInputData.cs
@@ -249,7 +249,7 @@ namespace TUGraz.VectoCommon.InputData
 		public static EcoRollType Get(bool ecoRollWithoutEngineStop, bool ecoRollWithEngineStop)
 		{
 			if (ecoRollWithEngineStop && ecoRollWithoutEngineStop) {
-				throw new VectoException("invalid combination or EcoRoll");
+				throw new VectoException("invalid combination for EcoRoll");
 			}
 
 			if (ecoRollWithoutEngineStop) {