diff --git a/src/index.ts b/src/index.ts
index 3d9460ea..de3eb0c3 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -92,8 +92,7 @@ const run = async (config: R2Config) => {
         console.log(file);
         console.log(config.sourceDir);
         console.log(config.destinationDir);
-        //const fileName = file.replace(/^.*[\\\/]/, "");
-        const fileName = path.basename(file);
+        const fileName = file.replace(config.sourceDir, "");
         const fileKey = path.join(config.destinationDir !== "" ? config.destinationDir : config.sourceDir, fileName);
 
         if (fileKey.includes('.gitkeep'))
diff --git a/src/utils.ts b/src/utils.ts
index 2c6fe599..4a9fe47c 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -1,4 +1,5 @@
 import fs from 'fs';
+import path from 'path';
 
 export const formatBytes = function (bytes: number): string {
     const sizes = ["Bytes", "KB", "MB", "GB", "TB"]
@@ -30,7 +31,7 @@ export const getFileList = (dir: string) => {
 
     for (const item of items) {
         const isDir = item.isDirectory();
-        const absolutePath = `${dir}/${item.name}`;
+        const absolutePath = path.join(dir, item.name);
         if (isDir) {
             files = [...files, ...getFileList(absolutePath)];
         } else {