diff --git a/frontend/lib/registry/components/entity-search-input/useEntitySearch.ts b/frontend/lib/registry/components/entity-search-input/useEntitySearch.ts
index a71b2aa8..1fac26d6 100644
--- a/frontend/lib/registry/components/entity-search-input/useEntitySearch.ts
+++ b/frontend/lib/registry/components/entity-search-input/useEntitySearch.ts
@@ -67,7 +67,8 @@ export function useEntitySearch({
         }
       } catch (err: any) {
         console.error("Entity search error:", err);
-        setError(err.response?.data?.message || "검색 중 오류가 발생했습니다");
+        const errorMessage = err.response?.data?.message || "검색 중 오류가 발생했습니다";
+        setError(errorMessage);
       } finally {
         setLoading(false);
       }