diff --git a/src/service/dialog_state_monitor.py b/src/service/dialog_state_monitor.py
index 1bdbeea..91f7a59 100644
--- a/src/service/dialog_state_monitor.py
+++ b/src/service/dialog_state_monitor.py
@@ -147,6 +147,13 @@ class DialogStateMonitor:
                         new_order[slot.name].append(value)
                     else:
                         new_order[slot.name] = [value]
+                if slot.name == "drink":
+                    if new_order.get("drink"):
+                        new_order[slot.name].append(value)
+                    else:
+                        new_order[slot.name] = [value]
+                else:
+                    new_order[slot.name] = value
             if len(new_order) > 0:
                 self.state['belief_state']['order'].append(new_order)
             self.complete_stage_if_valid('collect_food')