diff --git a/examples/fixed_point/heat_equation.py b/examples/fixed_point/heat_equation.py
index 1b19d6880ae62fb84af0a31e94e56211d5bc7d60..47fdc968b76370054b71d1477a5a6ae92ceaed8f 100644
--- a/examples/fixed_point/heat_equation.py
+++ b/examples/fixed_point/heat_equation.py
@@ -201,7 +201,6 @@ if __name__=='__main__':
     parser.set_defaults(impl='cl', ndim=3, npts=(32,),
                         box_origin=(0.0,), box_length=(1.,),
                         tstart=0.0, tend=np.pi*2,
-                        dt=1e-1,
-                        dump_freq=100, dump_times=())
+                        dt=1e-1, dump_freq=10)
 
     parser.run(compute)