diff --git a/server/src/main/java/com/ticketing/server/global/redis/RefreshToken.java b/server/src/main/java/com/ticketing/server/global/redis/RefreshToken.java
index b83771d..4436f77 100644
--- a/server/src/main/java/com/ticketing/server/global/redis/RefreshToken.java
+++ b/server/src/main/java/com/ticketing/server/global/redis/RefreshToken.java
@@ -28,8 +28,9 @@ public class RefreshToken {
 		this.token = token;
 	}
 
-	public void changeToken(String token) {
+	public RefreshToken changeToken(String token) {
 		this.token = token;
+		return this;
 	}
 
 }
diff --git a/server/src/main/java/com/ticketing/server/global/security/jwt/JwtProvider.java b/server/src/main/java/com/ticketing/server/global/security/jwt/JwtProvider.java
index 9eb16f4..8e36f80 100644
--- a/server/src/main/java/com/ticketing/server/global/security/jwt/JwtProvider.java
+++ b/server/src/main/java/com/ticketing/server/global/security/jwt/JwtProvider.java
@@ -27,6 +27,7 @@ public class JwtProvider {
 
 	private static final String AUTHORITIES_KEY = "auth";
 	private static final String AUTHORITIES_DELIMITER = ",";
+	private static final String ROLE = "ROLE_";
 
 	private final Key key;
 	private final String prefix;
@@ -89,7 +90,7 @@ public class JwtProvider {
 	}
 
 	private String makeRoleName(String role) {
-		return "ROLE_" + role.toUpperCase();
+		return role.contains(ROLE) ? role.toUpperCase() : ROLE + role.toUpperCase();
 	}
 
 	public Authentication getAuthentication(String token) {
diff --git a/server/src/main/java/com/ticketing/server/user/service/AuthenticationServiceImpl.java b/server/src/main/java/com/ticketing/server/user/service/AuthenticationServiceImpl.java
index d534c09..ef29af0 100644
--- a/server/src/main/java/com/ticketing/server/user/service/AuthenticationServiceImpl.java
+++ b/server/src/main/java/com/ticketing/server/user/service/AuthenticationServiceImpl.java
@@ -5,8 +5,8 @@ import com.ticketing.server.global.redis.RefreshRedisRepository;
 import com.ticketing.server.global.redis.RefreshToken;
 import com.ticketing.server.global.security.jwt.JwtProperties;
 import com.ticketing.server.global.security.jwt.JwtProvider;
-import com.ticketing.server.user.service.dto.TokenDTO;
 import com.ticketing.server.user.service.dto.DeleteRefreshTokenDTO;
+import com.ticketing.server.user.service.dto.TokenDTO;
 import com.ticketing.server.user.service.interfaces.AuthenticationService;
 import lombok.RequiredArgsConstructor;
 import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
@@ -40,8 +40,14 @@ public class AuthenticationServiceImpl implements AuthenticationService {
 		// refresh 토큰이 있으면 수정, 없으면 생성
 		refreshRedisRepository.findByEmail(email)
 			.ifPresentOrElse(
-				tokenEntity -> tokenEntity.changeToken(tokenDto.getRefreshToken()),
-				() -> refreshRedisRepository.save(new RefreshToken(email, tokenDto.getRefreshToken()))
+				tokenEntity -> refreshRedisRepository.save(
+					tokenEntity.changeToken(
+						tokenDto.getRefreshToken()
+					)
+				),
+				() -> refreshRedisRepository.save(
+					new RefreshToken(email, tokenDto.getRefreshToken())
+				)
 			);
 
 		return tokenDto;