diff --git a/MainProject.Tests/Controllers/UserController_Tests.cs b/MainProject.Tests/Controllers/UserController_Tests.cs
index 572f354..38d71c3 100644
--- a/MainProject.Tests/Controllers/UserController_Tests.cs
+++ b/MainProject.Tests/Controllers/UserController_Tests.cs
@@ -368,7 +368,7 @@ public class UserController_Tests
             if (result != null)
             {
                 Assert.AreEqual(StatusCodes.Status400BadRequest, result.Status);
-                Assert.IsTrue(result.Message == "Role not found");
+                Assert.AreEqual("Role not found", result.Message);
             }
             else
             {
diff --git a/MainProject/Controllers/AuthController.cs b/MainProject/Controllers/AuthController.cs
index bf8a891..a54e764 100644
--- a/MainProject/Controllers/AuthController.cs
+++ b/MainProject/Controllers/AuthController.cs
@@ -32,7 +32,7 @@ namespace BasicDotnetTemplate.MainProject.Controllers
         {
             try
             {
-                var data = await this._authService.AuthenticateAsync(request!.Data);
+                var data = await this._authService.AuthenticateAsync(request!.Data!);
 
                 if (data == null)
                 {
diff --git a/MainProject/Controllers/UserController.cs b/MainProject/Controllers/UserController.cs
index 32def4b..965d28c 100644
--- a/MainProject/Controllers/UserController.cs
+++ b/MainProject/Controllers/UserController.cs
@@ -124,7 +124,7 @@ namespace BasicDotnetTemplate.MainProject.Controllers
                     return NotFound();
                 }
 
-                user = await this._userService.UpdateUserAsync(request!.Data, user);
+                user = await this._userService.UpdateUserAsync(request!.Data!, user);
 
                 var userDto = _mapper?.Map<UserDto>(user);