diff --git a/__tests__/unit/shifter.ts b/__tests__/unit/shifter.ts
index b3a5156..00ad4bb 100644
--- a/__tests__/unit/shifter.ts
+++ b/__tests__/unit/shifter.ts
@@ -30,8 +30,8 @@ describe('Shifter', () => {
   };
 
   describe('#constructor', () => {
-    describe('when is not given a strategy with a single country', () => {
-      it('should throw an error if a strategy has been set without any countries', async () => {
+    describe('when is not given a mapping with a single country', () => {
+      it('should throw an error if a mapping has been set without any countries', async () => {
         let error: Error;
 
         try {
diff --git a/src/classes/providers/base/types.ts b/src/classes/providers/base/types.ts
index f1b2f2f..7d013d8 100644
--- a/src/classes/providers/base/types.ts
+++ b/src/classes/providers/base/types.ts
@@ -3,6 +3,7 @@ import { HttpProxyAgent } from 'http-proxy-agent';
 import { AxiosRequestConfig } from 'axios';
 
 enum EStrategyMode {
+  MANUAL = 'MANUAL',
   CHANGE_IP_EVERY_REQUESTS = 'CHANGE_IP_EVERY_REQUESTS',
 }
 
diff --git a/src/classes/providers/shifter/index.ts b/src/classes/providers/shifter/index.ts
index 0a9d49e..e072b65 100644
--- a/src/classes/providers/shifter/index.ts
+++ b/src/classes/providers/shifter/index.ts
@@ -31,8 +31,10 @@ export class Shifter extends Base {
     this.config = config;
     this.strategy = config.strategy;
 
-    if (this.strategy && this.strategy.mode === EStrategyMode.CHANGE_IP_EVERY_REQUESTS) {
-      this.isCountryPortMappingEmpty(this.strategy.mapping);
+    this.isCountryPortMappingEmpty(this.strategy.mapping);
+
+    if (!this.strategy.mode) {
+      this.strategy.mode == EStrategyMode.CHANGE_IP_EVERY_REQUESTS;
     }
   }
 
diff --git a/src/classes/providers/shifter/types.ts b/src/classes/providers/shifter/types.ts
index f56a132..dd396e5 100644
--- a/src/classes/providers/shifter/types.ts
+++ b/src/classes/providers/shifter/types.ts
@@ -1,8 +1,6 @@
 import { AxiosRequestConfig } from 'axios';
 import { IProviderConfig, EStrategyMode } from '../base/types';
 
-type TShifterStrategy = TShifterStrategyChangeIpEveryRequest;
-
 interface IShifterConfig {
   proxy: IProviderConfig;
   axiosConfig?: AxiosRequestConfig;
@@ -255,8 +253,8 @@ interface IShifterChangeIp {
 
 type TShifterCountryPortMapping = Partial<Record<EShifterCountry, number[]>>;
 
-type TShifterStrategyChangeIpEveryRequest = {
-  mode: EStrategyMode.CHANGE_IP_EVERY_REQUESTS;
+type TShifterStrategy = {
+  mode?: EStrategyMode.CHANGE_IP_EVERY_REQUESTS | EStrategyMode.MANUAL;
   mapping?: TShifterCountryPortMapping;
 };