diff --git a/src/components/inquiry/Detail.tsx b/src/components/inquiry/Detail.tsx
index 29482d4..f8942fd 100644
--- a/src/components/inquiry/Detail.tsx
+++ b/src/components/inquiry/Detail.tsx
@@ -33,7 +33,7 @@ export default function Detail() {
                 </tr>
                 <tr>
                   <th>作者</th>
-                  <td>{inquiryDetail?.regNm}</td>
+                  <td>{inquiryDetail?.regUserNm}</td>
                 </tr>
                 <tr>
                   <th>販売店</th>
diff --git a/src/types/Inquiry.ts b/src/types/Inquiry.ts
index c30a5ce..98a98c3 100644
--- a/src/types/Inquiry.ts
+++ b/src/types/Inquiry.ts
@@ -25,6 +25,7 @@ export type InquiryList = {
   qnaClsLrgCd: string //qna CLS large Code
   qnaClsMidCd: string //qna CLS Mid Code
   qnaClsSmlCd: string | null //qna CLS Small Code
+  regUserNm: string //registration User name
 }
 
 export type InquiryDetailRequest = {