diff --git a/common/core/src/main/java/org/funcode/portal/server/common/core/config/JacksonConfig.java b/common/core/src/main/java/org/funcode/portal/server/common/core/config/JacksonConfig.java
index 7314743..c583613 100644
--- a/common/core/src/main/java/org/funcode/portal/server/common/core/config/JacksonConfig.java
+++ b/common/core/src/main/java/org/funcode/portal/server/common/core/config/JacksonConfig.java
@@ -13,9 +13,11 @@
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.core.convert.converter.Converter;
+import org.springframework.http.converter.StringHttpMessageConverter;
 import org.springframework.http.converter.json.Jackson2ObjectMapperBuilder;
 import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
 
+import java.nio.charset.StandardCharsets;
 import java.text.SimpleDateFormat;
 import java.time.LocalDate;
 import java.time.LocalDateTime;
@@ -31,6 +33,13 @@
 @Configuration
 public class JacksonConfig {
 
+    @Bean
+    public StringHttpMessageConverter stringHttpMessageConverter() {
+        StringHttpMessageConverter converter = new StringHttpMessageConverter();
+        converter.setDefaultCharset(StandardCharsets.UTF_8);
+        return converter;
+    }
+
     @Bean
     public MappingJackson2HttpMessageConverter mappingJackson2HttpMessageConverter() {
         Jackson2ObjectMapperBuilder builder =
diff --git a/common/core/src/main/java/org/funcode/portal/server/common/core/security/service/impl/JwtServiceImpl.java b/common/core/src/main/java/org/funcode/portal/server/common/core/security/service/impl/JwtServiceImpl.java
index ff37e0d..27ff0e9 100644
--- a/common/core/src/main/java/org/funcode/portal/server/common/core/security/service/impl/JwtServiceImpl.java
+++ b/common/core/src/main/java/org/funcode/portal/server/common/core/security/service/impl/JwtServiceImpl.java
@@ -161,7 +161,7 @@ public void successLoginHandler(@NonNull HttpServletRequest request,
         User currentUser = (User) authentication.getPrincipal();
         String accessToken = this.generateToken(currentUser);
         response.addHeader(SecurityConstant.TOKEN_HEADER_KEY, accessToken);
-        response.setContentType(MediaType.APPLICATION_JSON_VALUE);
+        response.setContentType(MediaType.APPLICATION_JSON_UTF8_VALUE);
         Cookie cookie = new Cookie(SecurityConstant.TOKEN_COOKIE_KEY, accessToken);
         cookie.setHttpOnly(true);
         response.addCookie(cookie);