diff --git a/ConversationsClassic/AppCore/AppStore.swift b/ConversationsClassic/AppCore/AppStore.swift
index 7cce2c7..761d9e3 100644
--- a/ConversationsClassic/AppCore/AppStore.swift
+++ b/ConversationsClassic/AppCore/AppStore.swift
@@ -42,6 +42,9 @@ final class Store<State: Stateable, Action: Codable>: ObservableObject {
 
     // Run reducers/middlewares
     func dispatch(_ action: Action) {
+        if !Thread.isMainThread {
+            print("❌WARNING!: AppStore.dispatch should be called from the main thread")
+        }
         serialQueue.sync { [weak self] in
             guard let wSelf = self else { return }
             let newState = wSelf.dispatch(wSelf.state, action)