diff --git a/src/renderer/renderer.js b/src/renderer/renderer.js
index c7e31be..1684a0e 100644
--- a/src/renderer/renderer.js
+++ b/src/renderer/renderer.js
@@ -72,6 +72,10 @@ async function openFolder() {
   state.files.push(...list);
   state.selectedIdxs.clear();
   setStatus(`${state.files.length}개 파일 로드됨`, true);
+
+  const folderName = folder.replace(/\\/g, '/').split('/').pop();
+  if (folderName) inputPrefix.value = folderName;
+
   renderGrid();
   updatePreview();
   btnRename.disabled = false;