diff --git a/frontend/src/app/doc-converter/page.tsx b/frontend/src/app/doc-converter/page.tsx
index a547866..8277efa 100644
--- a/frontend/src/app/doc-converter/page.tsx
+++ b/frontend/src/app/doc-converter/page.tsx
@@ -37,6 +37,7 @@ export default function DocConverter() {
 
       setFile(selectedFile);
       setDownloadUrl("");
+      setSelectedOutputFormat("");
 
       const matchedFormat = outputFileFormats.find((format) =>
         format.input.toLowerCase().includes(fileExtension || ""),