diff --git a/examples/Monte_Carlo/MC_ring_ts.sp b/examples/Monte_Carlo/MC_ring_ts.sp
index 0582fa156..9cf1c901f 100644
--- a/examples/Monte_Carlo/MC_ring_ts.sp
+++ b/examples/Monte_Carlo/MC_ring_ts.sp
@@ -29,14 +29,14 @@ begin
 
   echo source the input file
 * Path of your circuit file and library file here
-  set sourcepath = ( D:\Spice_general\ngspice\examples\Monte_Carlo )
+  setcf sourcepath = ( D:\Spice_general\ngspice\examples\Monte_Carlo )
 * source with file name of your circuit file
   source mc_ring_circ.net
 
   save buf                        $ we just need buf, save memory by more than 10x
 
 * Output path (directory has already to be there)
-  set outputpath = 'D:\Spice_general\ngspice\examples\Monte_Carlo\out'
+  setcf outputpath = 'D:\Spice_general\ngspice\examples\Monte_Carlo\out'
 
 * run the simulation loop