diff --git a/ps-grammar/restaurant/order.jsgf b/ps-grammar/restaurant/order.jsgf
index 73fb7514c48d7b6778c37f7a4c6ae36f1b8d05da..5f750cd8e946f56e555eae9dde0435ac2966a60e 100644
--- a/ps-grammar/restaurant/order.jsgf
+++ b/ps-grammar/restaurant/order.jsgf
@@ -7,4 +7,4 @@ public <restaurant> = [tobi] [bring me] [one | a ] <objects> [please];
 
 <drinks> = coke | redbull | icetea | (meadow milk) | (coffee pads) | beer | (fresh milk);
 <food> = lemon | mandarine | apple | pringles | bubblemint | (cranberry cereals) | (muesli cereals) | (chocolate cereals) | peanut | mints | oblates | chocosticks | bubblegum | noodles;
-<combo> = <food> and <food>;
+<combo> = <food> (and | with) <food>;