diff --git a/package-lock.json b/package-lock.json
index 8ee3f4a..abaa99c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "async-app",
-  "version": "4.8.0",
+  "version": "4.8.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "async-app",
-      "version": "4.8.0",
+      "version": "4.8.1",
       "license": "MIT",
       "dependencies": {
         "express": "^4.16.3",
diff --git a/package.json b/package.json
index 92085ff..fa06965 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "async-app",
-  "version": "4.8.0",
+  "version": "4.8.1",
   "description": "An express wrapper for handling async middlewares, order middlewares, schema validator, and other stuff",
   "type": "commonjs",
   "main": "dist/index.js",
diff --git a/src/create-app.ts b/src/create-app.ts
index d006b8b..108b016 100644
--- a/src/create-app.ts
+++ b/src/create-app.ts
@@ -113,13 +113,16 @@ const asyncAppProvider: AppProvider = <
 
 let appProvider: AppProvider<any, any> = asyncAppProvider;
 
-export const resetProvider = () => (appProvider = asyncAppProvider);
+export const resetProvider = () => {
+  appProvider = asyncAppProvider;
+};
 
-export const setProvider = (provider: AppProvider<any, any>) =>
-  (appProvider = provider);
+export const setProvider = (provider: AppProvider<any, any>) => {
+  appProvider = provider;
+};
 
 export const createApp = <TEntities extends Entities = Entities, TSchema = {}>(
   opts?: Opts<TEntities, TSchema>,
-) => appProvider(opts);
+): App<TEntities, TSchema> => appProvider(opts);
 
 export default createApp;