diff --git a/projects/http/package.json b/projects/http/package.json
index 7f79e17..7412836 100644
--- a/projects/http/package.json
+++ b/projects/http/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@angular-cool/http",
-  "version": "15.0.3",
+  "version": "15.0.4",
   "description": "Cool features over angular Http Client.",
   "peerDependencies": {
     "@angular/common": ">=10.0.0",
diff --git a/projects/http/src/lib/cool-http.service.ts b/projects/http/src/lib/cool-http.service.ts
index a2a9881..6ea380c 100644
--- a/projects/http/src/lib/cool-http.service.ts
+++ b/projects/http/src/lib/cool-http.service.ts
@@ -284,7 +284,7 @@ export class CoolHttp {
       returnUrl = this._baseUrl + returnUrl;
     }
 
-    return returnUrl.replace(/[^:]\/\//g, '/');
+    return returnUrl.replace(/([^:])\/\//g, '$1/');
   }
 
   private _modifyOptions(options: RequestOptions): AngularRequestOptions {