diff --git a/src/machines/bar.machine.ts b/src/machines/bar.machine.ts
index e60582d..249cfaf 100644
--- a/src/machines/bar.machine.ts
+++ b/src/machines/bar.machine.ts
@@ -8,7 +8,7 @@ export const barMachine = hotspotMachine
   .withConfig({
     actions: {
       updatePersons: (context) => {
-        context.persons.forEach((p) => p?.send('triggerDrink'));
+        context.persons.forEach((p) => p.send('triggerDrink'));
         return context;
       },
     },
diff --git a/src/machines/toilet.machine.ts b/src/machines/toilet.machine.ts
index 9838b4e..98b1f58 100644
--- a/src/machines/toilet.machine.ts
+++ b/src/machines/toilet.machine.ts
@@ -8,7 +8,7 @@ export const toiletMachine = hotspotMachine
   .withConfig({
     actions: {
       updatePersons: (context) => {
-        context.persons.forEach((p) => p?.send('triggerPee'));
+        context.persons.forEach((p) => p.send('triggerPee'));
         return context;
       },
     },