diff --git a/psConfig/exercise/cstollen/cstollen.conf b/psConfig/exercise/cstollen/cstollen.conf
index 5f250411eba1a7b318f47f865bb637e106a95e3e..c60c3b06c724bff9205c9e5cbefcc58ef63066b9 100644
--- a/psConfig/exercise/cstollen/cstollen.conf
+++ b/psConfig/exercise/cstollen/cstollen.conf
@@ -32,3 +32,13 @@ jsgf=../../../psGrammar/exercise/cstollen/calculator.jsgf;
 rsbscope=/speechrec/psa/calculator;
 bestpath=no;
 autoload=yes;
+
+[pocketsphinxinstance]
+name=follow;
+jsgf=../../../psGrammar/exercise/cstollen/stop.jsgf;
+rsbscope=/speechrec/psa/stop;
+bestpath=no;
+autoload=yes;
+
+
+
diff --git a/psGrammar/exercise/cstollen/stop.jsgf b/psGrammar/exercise/cstollen/stop.jsgf
new file mode 100644
index 0000000000000000000000000000000000000000..2418b1460b61e31c7db430c61f06b990b65e0b56
--- /dev/null
+++ b/psGrammar/exercise/cstollen/stop.jsgf
@@ -0,0 +1,6 @@
+#JSGF V1.0;
+grammar jUP_confirm;
+public <stopstring> = [<robot>] stop;
+
+<robot> = (tobi | floka | meka | robot);
+