diff --git a/package.json b/package.json
index c078b7a..fb6d376 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "wavelovers",
   "description": "Wavelovers. Use your device vibration correctly. Make a massager out of a gamepad.",
   "keywords": [ "wavelovers", "gamepad-vibrator", "gamepad-test-tool", "gamepad-vibration-test-tool" ],
-  "version": "1.0.2",
+  "version": "1.0.3",
   "license": "GNU GPL v3",
   "homepage": "https://wavelovers.ru/",
   "author": {
diff --git a/src/models/IVibrator.ts b/src/models/IVibrator.ts
index 20cd871..cdff81c 100644
--- a/src/models/IVibrator.ts
+++ b/src/models/IVibrator.ts
@@ -8,7 +8,7 @@ interface IVibrator {
   isVibrating: boolean;
   interval: number;
   update(): void;
-  loop(pattern: TPatternUnit[]): void;
+  loop(pattern: TPatternUnit[]): Promise<void>;
   vibrate(pattern: TPatternUnit): void;
   reset(): void;
   sleep(ms: number): Promise<number>;
diff --git a/src/models/Vibrator.ts b/src/models/Vibrator.ts
index 0e5b59c..bbfd16e 100644
--- a/src/models/Vibrator.ts
+++ b/src/models/Vibrator.ts
@@ -24,7 +24,7 @@ class Vibrator implements IVibrator {
     this.unit = gamepads[this.unit.index] as unknown as IGamepad;
   }
 
-  async loop(pattern: TPatternUnit[]) {
+  async loop(pattern: TPatternUnit[]): Promise<void> {
     this.isVibrating = true;
     const offsetTime = 10;
     while (this.isVibrating === true) {