diff --git a/frontend/src/Presentation/components/Details/DetailContent.container.tsx b/frontend/src/Presentation/components/Details/DetailContent.container.tsx
index a2f68a958..7e1e5a04a 100644
--- a/frontend/src/Presentation/components/Details/DetailContent.container.tsx
+++ b/frontend/src/Presentation/components/Details/DetailContent.container.tsx
@@ -4,7 +4,10 @@ import { useRecoilState } from "recoil";
 import { padToNDigits } from "@/Cabinet/utils/dateUtils";
 import { isCurrentModalState } from "@/Presentation/recoil/atoms";
 import DetailContent from "@/Presentation/components/Details/DetailContent";
-import { IPresentationScheduleDetailInfo } from "@/Presentation/types/dto/presentation.dto";
+import {
+  IExtendedPresentationScheduleDetailInfo,
+  IPresentationScheduleDetailInfo,
+} from "@/Presentation/types/dto/presentation.dto";
 import {
   axiosGetPresentationSchedule,
   getAdminPresentationSchedule,
@@ -77,7 +80,7 @@ const DetailContentContainer = () => {
         requestDate.month
       );
       const presentationInfo = response.data.forms.map(
-        (info: IPresentationScheduleDetailInfo) =>
+        (info: IExtendedPresentationScheduleDetailInfo) =>
           info.category === "DUMMY"
             ? createEmptyPresentation(new Date(info.dateTime))
             : info
diff --git a/frontend/src/Presentation/types/dto/presentation.dto.ts b/frontend/src/Presentation/types/dto/presentation.dto.ts
index 390d287a9..a385ca159 100644
--- a/frontend/src/Presentation/types/dto/presentation.dto.ts
+++ b/frontend/src/Presentation/types/dto/presentation.dto.ts
@@ -43,6 +43,11 @@ export interface IPresentationScheduleDetailInfo {
   presentationLocation: PresentationLocation | null;
 }
 
+export interface IExtendedPresentationScheduleDetailInfo
+  extends Omit<IPresentationScheduleDetailInfo, "category"> {
+  category: PresentationCategoryType | "DUMMY" | null;
+}
+
 export interface IAnimation {
   min_width: number;
   min_height: number;
diff --git a/frontend/src/Presentation/types/enum/presentation.type.enum.ts b/frontend/src/Presentation/types/enum/presentation.type.enum.ts
index 27081287f..3616ed939 100644
--- a/frontend/src/Presentation/types/enum/presentation.type.enum.ts
+++ b/frontend/src/Presentation/types/enum/presentation.type.enum.ts
@@ -25,5 +25,4 @@ export enum PresentationCategoryType {
   ETC = "ETC",
   TASK = "TASK",
   STUDY = "STUDY",
-  DUMMY = "DUMMY",
 }