diff --git a/dune/fem-dg/examples/poisson/test/parameter_cmake b/dune/fem-dg/examples/poisson/test/parameter_cmake
index 260d9a60bab78c82cb4022985530ca09a70391de..73a4bf237c192bb337665e91988758de680574c1 100644
--- a/dune/fem-dg/examples/poisson/test/parameter_cmake
+++ b/dune/fem-dg/examples/poisson/test/parameter_cmake
@@ -43,7 +43,8 @@ dgdiffusionflux.liftfactor: 0
 # ADAPTATION
 # ----------
 fem.adaptation.method: generic 
-
+# possible values none, coeffroot, prior2p
+padaptive.method: coeffroot
 
 # DATAWRITER
 # ----------