diff --git a/VectoCore/VectoCore/InputData/FileIO/JSON/JSONInputData.cs b/VectoCore/VectoCore/InputData/FileIO/JSON/JSONInputData.cs
index 0ba0c7d59ace420dc8fe9f41130048fbd2b4f96e..5a2d79a6207dd630db04534d623fbf85d75f791a 100644
--- a/VectoCore/VectoCore/InputData/FileIO/JSON/JSONInputData.cs
+++ b/VectoCore/VectoCore/InputData/FileIO/JSON/JSONInputData.cs
@@ -480,7 +480,7 @@ namespace TUGraz.VectoCore.InputData.FileIO.JSON
 //					throw new VectoException("AccelerationCurve (VACC) required");
 				}
 				try {
-					return ReadTableData(acceleration.Value<string>(), "DriverAccelerationCurve", false);
+					return ReadTableData(acceleration.Value<string>(), "DriverAccelerationCurve", true);
 				} catch (VectoException e) {
 					Log.Warn("Could not find file for acceleration curve. Trying lookup in declaration data.");
 					try {