diff --git a/src/main/java/com/pickple/server/api/host/dto/request/HostUpdateRequest.java b/src/main/java/com/pickple/server/api/host/dto/request/HostUpdateRequest.java
index 5e408b9..418cc98 100644
--- a/src/main/java/com/pickple/server/api/host/dto/request/HostUpdateRequest.java
+++ b/src/main/java/com/pickple/server/api/host/dto/request/HostUpdateRequest.java
@@ -20,7 +20,6 @@ public record HostUpdateRequest(
         @NotBlank(message = "소개글이 비어있습니다.")
         String description,
 
-        @Size(max = 50)
         @NotBlank(message = "소셜 링크가 비어있습니다.")
         String socialLink
 ) {
diff --git a/src/main/java/com/pickple/server/api/host/service/HostCommandService.java b/src/main/java/com/pickple/server/api/host/service/HostCommandService.java
index 44ae77a..1701acd 100644
--- a/src/main/java/com/pickple/server/api/host/service/HostCommandService.java
+++ b/src/main/java/com/pickple/server/api/host/service/HostCommandService.java
@@ -23,10 +23,12 @@ public class HostCommandService {
 
     public void updateHostProfile(Long hostId, HostUpdateRequest hostUpdateRequest) {
         Host host = hostRepository.findHostByIdOrThrow(hostId);
-        if (hostRepository.existsByNickname(hostUpdateRequest.nickname()) || guestRepository.existsByNickname(
-                hostUpdateRequest.nickname()) || submitterRepository.existsByNickname(hostUpdateRequest.nickname())) {
+        if (!host.getNickname().equals(hostUpdateRequest.nickname()) && (hostRepository.existsByNickname(
+                hostUpdateRequest.nickname()) || guestRepository.existsByNickname(
+                hostUpdateRequest.nickname()) || submitterRepository.existsByNickname(hostUpdateRequest.nickname()))) {
             throw new CustomException(ErrorCode.DUPLICATION_NICKNAME);
         }
+
         host.updateHostProfile(hostUpdateRequest.profileUrl(), hostUpdateRequest.nickname(),
                 hostUpdateRequest.keyword(),
                 hostUpdateRequest.description(), hostUpdateRequest.socialLink());