diff --git a/src/components/list/ProjectCard.vue b/src/components/list/ProjectCard.vue
index 9ca03ea..c934007 100644
--- a/src/components/list/ProjectCard.vue
+++ b/src/components/list/ProjectCard.vue
@@ -540,7 +540,7 @@ const handleUpdate = async () => {
 
 // 주소를 좌표로 변환하는 함수
 const convertAddressToCoordinates = () => {
-    if (!window.kakao || !window.kakao.maps) {
+    if (typeof window.kakao === 'undefined' || typeof window.kakao.maps === 'undefined') {
         return;
     }