diff --git a/src/components/repository/file-browser.tsx b/src/components/repository/file-browser.tsx
index 8ba6ce8..fac4de1 100644
--- a/src/components/repository/file-browser.tsx
+++ b/src/components/repository/file-browser.tsx
@@ -115,9 +115,11 @@ export const FileBrowser = ({ branch, initialPath = "" }: FileBrowserProps) => {
       });
       const data = resp.data?.data;
       if (!data) return null;
-      // Content is base64 encoded
+      // Content is base64 encoded, use TextDecoder for proper UTF-8 handling
       try {
-        return atob(data.content);
+        const binary = atob(data.content);
+        const bytes = Uint8Array.from(binary, c => c.charCodeAt(0));
+        return new TextDecoder("utf-8", { fatal: false }).decode(bytes);
       } catch {
         return data.content;
       }