diff --git a/Presentation/org.egovframe.rte.ptl.reactive/src/main/java/org/egovframe/rte/ptl/reactive/exception/EgovExceptionHandler.java b/Presentation/org.egovframe.rte.ptl.reactive/src/main/java/org/egovframe/rte/ptl/reactive/exception/EgovExceptionHandler.java
index f644f044..5e920689 100755
--- a/Presentation/org.egovframe.rte.ptl.reactive/src/main/java/org/egovframe/rte/ptl/reactive/exception/EgovExceptionHandler.java
+++ b/Presentation/org.egovframe.rte.ptl.reactive/src/main/java/org/egovframe/rte/ptl/reactive/exception/EgovExceptionHandler.java
@@ -25,6 +25,7 @@
 import org.springframework.web.server.WebExceptionHandler;
 import reactor.core.publisher.Mono;
 
+import java.nio.charset.StandardCharsets;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -78,14 +79,14 @@ private Mono<Void> getExceptionResponse(ServerHttpResponse response, EgovErrorCo
 
     private Mono<Void> handlerResponse(ServerHttpResponse response, String timestamp, int status, String code, String message) {
         response.setStatusCode(HttpStatus.valueOf(status));
-        response.getHeaders().setContentType(MediaType.APPLICATION_JSON);
+        response.getHeaders().setContentType(new MediaType(MediaType.APPLICATION_JSON, StandardCharsets.UTF_8));
         Map<String, Object> map = new HashMap<>();
         map.put("timestamp", timestamp);
         map.put("status", HttpStatus.valueOf(status));
         map.put("code", code);
         map.put("message", message);
         JSONObject jsonObject = new JSONObject(map);
-        DataBuffer dataBuffer = response.bufferFactory().wrap(JSONObject.toJSONString(jsonObject).getBytes());
+        DataBuffer dataBuffer = response.bufferFactory().wrap(JSONObject.toJSONString(jsonObject).getBytes(StandardCharsets.UTF_8));
         return response.writeWith(Mono.just(dataBuffer));
     }
 
diff --git a/Presentation/org.egovframe.rte.ptl.reactive/src/test/java/org/egovframe/rte/ptl/reactive/exception/EgovExceptionHandlerTest.java b/Presentation/org.egovframe.rte.ptl.reactive/src/test/java/org/egovframe/rte/ptl/reactive/exception/EgovExceptionHandlerTest.java
index b7dcb4cc..0b70ddc0 100755
--- a/Presentation/org.egovframe.rte.ptl.reactive/src/test/java/org/egovframe/rte/ptl/reactive/exception/EgovExceptionHandlerTest.java
+++ b/Presentation/org.egovframe.rte.ptl.reactive/src/test/java/org/egovframe/rte/ptl/reactive/exception/EgovExceptionHandlerTest.java
@@ -1,11 +1,18 @@
 package org.egovframe.rte.ptl.reactive.exception;
 
+import org.egovframe.rte.ptl.reactive.annotation.EgovController;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
 import org.springframework.http.MediaType;
 import org.springframework.test.context.junit.jupiter.SpringExtension;
 import org.springframework.test.web.reactive.server.WebTestClient;
+import org.springframework.web.bind.annotation.GetMapping;
+import reactor.core.publisher.Mono;
+
+import java.nio.charset.StandardCharsets;
+
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 @ExtendWith(SpringExtension.class)
 public class EgovExceptionHandlerTest {
@@ -14,7 +21,7 @@ public class EgovExceptionHandlerTest {
 
     @BeforeEach
     public void setUp() {
-        this.webTestClient = WebTestClient.bindToController(new SampleController())
+        this.webTestClient = WebTestClient.bindToController(new SampleController(), new KoreanMessageController())
                 .controllerAdvice(new EgovExceptionHandler())
                 .build();
     }
@@ -25,7 +32,30 @@ public void exceptionHandlerTest() {
                 .uri("/test")
                 .accept(MediaType.APPLICATION_JSON)
                 .exchange()
-                .expectStatus().isNotFound();
+                .expectStatus().isNotFound()
+                .expectHeader().contentType(MediaType.parseMediaType("application/json;charset=UTF-8"));
+    }
+
+    @Test
+    public void koreanMessageTest() {
+        this.webTestClient.get()
+                .uri("/korean-message")
+                .accept(MediaType.APPLICATION_JSON)
+                .exchange()
+                .expectStatus().is5xxServerError()
+                .expectBody()
+                .consumeWith(result -> assertTrue(new String(result.getResponseBody(), StandardCharsets.UTF_8)
+                        .contains("\"message\":\"서비스 예외 메시지\"")));
+    }
+
+    @EgovController
+    private static class KoreanMessageController {
+
+        @GetMapping("/korean-message")
+        public Mono<String> koreanMessage() {
+            return Mono.error(new EgovServiceException("서비스 예외 메시지"));
+        }
+
     }
 
 }