diff --git a/src/page/post-detail-page.tsx b/src/page/post-detail-page.tsx
index a357c24..cfa37d6 100644
--- a/src/page/post-detail-page.tsx
+++ b/src/page/post-detail-page.tsx
@@ -119,6 +119,7 @@ const PostDetailPage = () => {
   if (!data) return <div>no data</div>;
 
   const myId = getMyMemberId();
+  const imageSrc = data.image && data.image !== 'undefined' ? data.image : null;
 
   const isOwner = data.writer?.writerId === myId;
   const isApplied = participants?.some((p) => p.applicantId === myId) ?? false;
@@ -137,7 +138,13 @@ const PostDetailPage = () => {
 
       {/* 🔥 이미지 */}
       <Carousel>
-        <img src={data.image} alt="" />
+        {imageSrc ? (
+          <img src={imageSrc} alt={data.title ?? ''} className="h-full w-full object-cover" />
+        ) : (
+          <div className="flex h-full w-full items-center justify-center bg-gray-100 text-gray-400 typo-body2">
+            이미지 없음
+          </div>
+        )}
       </Carousel>
 
       {/* 🔥 제목 */}
diff --git a/src/widgets/main/card/card.tsx b/src/widgets/main/card/card.tsx
index 1d8d704..1d96e01 100644
--- a/src/widgets/main/card/card.tsx
+++ b/src/widgets/main/card/card.tsx
@@ -18,17 +18,25 @@ export function Card({
   location,
   onClick,
 }: CardProps) {
+  const imageSrc = image && image !== 'undefined' ? image : null;
+
   return (
     <div
       onClick={onClick}
       className="flex flex-low gap-[1.6rem] w-[32.7rem] h-[14.8rem] pb-[2rem] border-b border-gray-100"
     >
       <div className="w-[10.2rem] h-[12.8rem] shrink-0 overflow-hidden border rounded-[8px]">
-        <img
-          src={image}
-          alt={title}
-          className="h-full w-full object-cover"
-        />
+        {imageSrc ? (
+          <img
+            src={imageSrc}
+            alt={title}
+            className="h-full w-full object-cover"
+          />
+        ) : (
+          <div className="flex h-full w-full items-center justify-center bg-gray-100 text-gray-400 typo-caption">
+            이미지 없음
+          </div>
+        )}
       </div>
       <div className="flex flex-col gap-[1.2rem]">
         <CardTitle title={title} />