diff --git a/ormconfig.ts b/ormconfig.ts
index 852ff37..bf9be07 100644
--- a/ormconfig.ts
+++ b/ormconfig.ts
@@ -1,4 +1,4 @@
-import { config } from 'dotenv-safe';
+import { config } from 'dotenv';
 config();
 
 export default {
diff --git a/package.json b/package.json
index afc485d..baae298 100644
--- a/package.json
+++ b/package.json
@@ -29,6 +29,7 @@
     "class-validator-jsonschema": "^2.0.3",
     "consola": "^2.15.0",
     "cors": "^2.8.5",
+    "dotenv": "^8.2.0",
     "express": "^4.17.1",
     "helmet": "^4.2.0",
     "jsonwebtoken": "^8.5.1",
@@ -45,14 +46,13 @@
   },
   "devDependencies": {
     "@types/cors": "^2.8.8",
-    "@types/dotenv-safe": "^8.1.1",
+    "@types/dotenv": "^8.2.0",
     "@types/express": "^4.17.9",
     "@types/jsonwebtoken": "^8.5.0",
     "@types/multer": "^1.4.4",
     "@types/node": "^14.14.9",
     "@types/swagger-ui-express": "^4.1.2",
     "@types/uuid": "^8.3.0",
-    "dotenv-safe": "^8.2.0",
     "nodemon": "^2.0.6",
     "sqlite3": "^5.0.0",
     "ts-node": "^9.0.0",
diff --git a/src/app.ts b/src/app.ts
index fd3dc8e..664ec6f 100644
--- a/src/app.ts
+++ b/src/app.ts
@@ -2,7 +2,7 @@ import consola from "consola";
 import "reflect-metadata";
 import { createExpressServer } from "routing-controllers";
 import authchecker from "./authchecker";
-import { config } from './config';
+import { config, e as errors } from './config';
 import loaders from "./loaders/index";
 import { ErrorHandler } from './middlewares/ErrorHandler';
 
@@ -23,4 +23,9 @@ async function main() {
     );
   });
 }
-main();
+if (errors === 0) {
+  main();
+} else {
+  console.log("error");
+  // something's wrong
+}
diff --git a/src/config.ts b/src/config.ts
index 5dd7d19..567e35b 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -1,8 +1,22 @@
-import * as dotenvSafe from "dotenv-safe";
-dotenvSafe.config();
+import { config as configDotenv } from 'dotenv';
+configDotenv();
 export const config = {
-    internal_port: process.env.APP_PORT || 4010,
+    internal_port: parseInt(process.env.APP_PORT) || 4010,
     development: process.env.NODE_ENV === "production",
     jwt_secret: process.env.JWT_SECRET || "secretjwtsecret",
     phone_validation_countrycode: process.env.PHONE_COUNTRYCODE || "ZZ"
-}
\ No newline at end of file
+}
+let errors = 0
+if (typeof config.internal_port !== "number") {
+    errors++
+}
+if (typeof config.phone_validation_countrycode !== "string") {
+    errors++
+}
+if (config.phone_validation_countrycode.length !== 2) {
+    errors++
+}
+if (typeof config.development !== "boolean") {
+    errors++
+}
+export let e = errors
\ No newline at end of file