diff --git a/examples/CLICSiD/sim/field.xml b/examples/CLICSiD/sim/field.xml
index 6ac71a42df1d37a563e36203f293d562f652f264..daee5488baecca6ffa5be0fdcc819a5382ad6405 100644
--- a/examples/CLICSiD/sim/field.xml
+++ b/examples/CLICSiD/sim/field.xml
@@ -24,7 +24,7 @@
 		delta_one_step="0.001*mm"
 		eps_min="5e-05*mm"
 		eps_max="0.001*mm"
-		stepper="HelixSimpleRunge"
+		stepper="ClassicalRK4"
 		equation="Mag_UsualEqRhs">
     </attributes>
   </properties>