diff --git a/VECTO/OutputData/JSONFileWriter.vb b/VECTO/OutputData/JSONFileWriter.vb
index bdef1c2f253095de2c9fa8d2a81621407191dc87..0bd62c399ba4fa42e3b07332fb2e468812b78a29 100644
--- a/VECTO/OutputData/JSONFileWriter.vb
+++ b/VECTO/OutputData/JSONFileWriter.vb
@@ -236,7 +236,7 @@ Public Class JSONFileWriter
 			body("CdA") = airdrag.AirDragArea.Value()
 		End If
 		If (Not IsNothing(vehicle.Height)) Then
-			body("VehicleHeight") = vehicle.Height
+			body("VehicleHeight") = vehicle.Height.Value()
 		End If
 		WriteFile(header, body, filename)
 	End Sub