diff --git a/src/api/task/get-task-detail.ts b/src/api/task/get-task-detail.ts
index fb5cb2c4..a1caef7c 100644
--- a/src/api/task/get-task-detail.ts
+++ b/src/api/task/get-task-detail.ts
@@ -19,11 +19,11 @@ export const fetchTaskDetail = async (
       }
     );
 
-    if (!response) return notFound();
+    if (response.status === 404) notFound();
 
     return response.json();
   } catch (error) {
-    console.error(error);
+    throw error;
   }
 };
 
@@ -42,10 +42,8 @@ export const getTaskDetail = async (
       `/groups/${groupId}/task-lists/${taskListId}/tasks/${taskId}`
     );
 
-    if (!response) throw new Error("데이터를 불러오지 못했습니다.");
-
     return response.data;
   } catch (error) {
-    console.error(error);
+    throw error;
   }
 };
diff --git a/src/app/[groupId]/tasklist/@task/_components/task-detail.tsx b/src/app/[groupId]/tasklist/@task/_components/task-detail.tsx
index 6da8b892..3757528d 100644
--- a/src/app/[groupId]/tasklist/@task/_components/task-detail.tsx
+++ b/src/app/[groupId]/tasklist/@task/_components/task-detail.tsx
@@ -55,15 +55,13 @@ const TaskDetail = () => {
     router.push(`${pathName}?list=${taskListId}`);
   };
 
-  const { data: taskDetailData, isPending } = useGetTaskDetail(
-    groupId,
-    taskListId,
-    taskId
-  );
+  const {
+    data: taskDetailData,
+    isPending,
+    isError,
+  } = useGetTaskDetail(groupId, taskListId, taskId);
 
-  if (taskId) {
-    if (!taskDetailData) notFound();
-  }
+  if (isError) notFound();
 
   return (
     <AnimatePresence mode="wait">