diff --git a/examples/xspice/state/state-machine.cir b/examples/xspice/state/state-machine.cir
index 2184b477e..eb9d7a709 100644
--- a/examples/xspice/state/state-machine.cir
+++ b/examples/xspice/state/state-machine.cir
@@ -32,6 +32,7 @@ tran 1us 10ms
 rusage
 write spifsim.raw
 plot cntl out_msb+2 out_lsb+8
+plot  n_one clk n_zero msb lsb digitop
 eprvcd n_one clk n_zero msb lsb > spifsim.vcd
 * plotting the vcd file (e.g. with GTKWave)
 if $oscompiled = 1 | $oscompiled = 8  ; MS Windows