diff --git a/ps-grammar/followMe/confirm.jsgf b/ps-grammar/followMe/confirm.jsgf
index 33b06302c6824137370fc75d6d0dfa0f4881bf9d..99397ba3098e576f215c6f42e543c94c61f5d574 100644
--- a/ps-grammar/followMe/confirm.jsgf
+++ b/ps-grammar/followMe/confirm.jsgf
@@ -1,5 +1,5 @@
 #JSGF V1.0;
 grammar ToBI_confirm;
 public <confirm> = [tobi] (<confirm_yes> | <confirm_no>) [tobi];
-<confirm_yes> =  follow me | [please] yes [please];
+<confirm_yes> =  follow me |([please] yes [please]);
 <confirm_no> = no [thanks];