diff --git a/spring-security-login-and-registration/src/main/java/org/baeldung/web/controller/RegistrationController.java b/spring-security-login-and-registration/src/main/java/org/baeldung/web/controller/RegistrationController.java
index 1fe5e8bab1..3d5e42ab2c 100644
--- a/spring-security-login-and-registration/src/main/java/org/baeldung/web/controller/RegistrationController.java
+++ b/spring-security-login-and-registration/src/main/java/org/baeldung/web/controller/RegistrationController.java
@@ -31,7 +31,6 @@ import org.springframework.security.core.context.SecurityContextHolder;
 import org.springframework.security.core.userdetails.UserDetailsService;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
-import org.springframework.validation.BindingResult;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestMethod;
 import org.springframework.web.bind.annotation.RequestParam;
@@ -67,11 +66,11 @@ public class RegistrationController {
 
     @RequestMapping(value = "/user/registration", method = RequestMethod.POST)
     @ResponseBody
-    public GenericResponse registerUserAccount(@Valid final UserDto accountDto, final BindingResult result, final HttpServletRequest request) {
+    public GenericResponse registerUserAccount(@Valid final UserDto accountDto, final HttpServletRequest request) {
         LOGGER.debug("Registering user account with information: {}", accountDto);
-        if (result.hasErrors()) {
-            return new GenericResponse(result.getFieldErrors(), result.getGlobalErrors());
-        }
+        // if (result.hasErrors()) {
+        // return new GenericResponse(result.getFieldErrors(), result.getGlobalErrors());
+        // }
         final User registered = createUserAccount(accountDto);
         if (registered == null) {
             return new GenericResponse("email", messages.getMessage("message.regError", null, request.getLocale()));
diff --git a/spring-security-login-and-registration/src/main/java/org/baeldung/web/error/RestResponseEntityExceptionHandler.java b/spring-security-login-and-registration/src/main/java/org/baeldung/web/error/RestResponseEntityExceptionHandler.java
index d263e0fc26..5f559bbfc1 100644
--- a/spring-security-login-and-registration/src/main/java/org/baeldung/web/error/RestResponseEntityExceptionHandler.java
+++ b/spring-security-login-and-registration/src/main/java/org/baeldung/web/error/RestResponseEntityExceptionHandler.java
@@ -7,6 +7,8 @@ import org.springframework.http.HttpHeaders;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.mail.MailAuthenticationException;
+import org.springframework.validation.BindingResult;
+import org.springframework.web.bind.MethodArgumentNotValidException;
 import org.springframework.web.bind.annotation.ControllerAdvice;
 import org.springframework.web.bind.annotation.ExceptionHandler;
 import org.springframework.web.context.request.WebRequest;
@@ -24,6 +26,15 @@ public class RestResponseEntityExceptionHandler extends ResponseEntityExceptionH
 
     // API
 
+    // 400
+    @Override
+    protected ResponseEntity<Object> handleMethodArgumentNotValid(MethodArgumentNotValidException ex, HttpHeaders headers, HttpStatus status, WebRequest request) {
+        logger.error("400 Status Code", ex);
+        BindingResult result = ex.getBindingResult();
+        final GenericResponse bodyOfResponse = new GenericResponse(result.getFieldErrors(), result.getGlobalErrors());
+        return handleExceptionInternal(ex, bodyOfResponse, new HttpHeaders(), HttpStatus.BAD_REQUEST, request);
+    }
+
     // 404
     @ExceptionHandler({ UserNotFoundException.class })
     public ResponseEntity<Object> handleUserNotFound(final RuntimeException ex, final WebRequest request) {