diff --git a/cmd/fs-v1-helpers.go b/cmd/fs-v1-helpers.go
index f00d732e4..e06fcf554 100644
--- a/cmd/fs-v1-helpers.go
+++ b/cmd/fs-v1-helpers.go
@@ -280,7 +280,7 @@ func fsOpenFile(ctx context.Context, readPath string, offset int64) (io.ReadClos
 	}
 
 	// Stat to get the size of the file at path.
-	st, err := os.Stat(readPath)
+	st, err := fr.Stat()
 	if err != nil {
 		err = osErrToFSFileErr(err)
 		if err != errFileNotFound {
@@ -386,6 +386,26 @@ func fsFAllocate(fd int, offset int64, len int64) (err error) {
 	return nil
 }
 
+// Renames source path to destination path, fails if the destination path
+// parents are not already created.
+func fsSimpleRenameFile(ctx context.Context, sourcePath, destPath string) error {
+	if err := checkPathLength(sourcePath); err != nil {
+		logger.LogIf(ctx, err)
+		return err
+	}
+	if err := checkPathLength(destPath); err != nil {
+		logger.LogIf(ctx, err)
+		return err
+	}
+
+	if err := os.Rename(sourcePath, destPath); err != nil {
+		logger.LogIf(ctx, err)
+		return osErrToFSFileErr(err)
+	}
+
+	return nil
+}
+
 // Renames source path to destination path, creates all the
 // missing parents if they don't exist.
 func fsRenameFile(ctx context.Context, sourcePath, destPath string) error {
diff --git a/cmd/fs-v1-multipart.go b/cmd/fs-v1-multipart.go
index 0f66be404..a137aaa10 100644
--- a/cmd/fs-v1-multipart.go
+++ b/cmd/fs-v1-multipart.go
@@ -152,7 +152,7 @@ func (fs *FSObjects) ListMultipartUploads(ctx context.Context, bucket, object, k
 		return result, toObjectErr(err)
 	}
 
-	// S3 spec says uploaIDs should be sorted based on initiated time. ModTime of fs.json
+	// S3 spec says uploadIDs should be sorted based on initiated time. ModTime of fs.json
 	// is the creation time of the uploadID, hence we will use that.
 	var uploads []MultipartInfo
 	for _, uploadID := range uploadIDs {
@@ -326,7 +326,11 @@ func (fs *FSObjects) PutObjectPart(ctx context.Context, bucket, object, uploadID
 
 	partPath := pathJoin(uploadIDDir, fs.encodePartFile(partID, etag, data.ActualSize()))
 
-	if err = fsRenameFile(ctx, tmpPartPath, partPath); err != nil {
+	// Make sure not to create parent directories if they don't exist - the upload might have been aborted.
+	if err = fsSimpleRenameFile(ctx, tmpPartPath, partPath); err != nil {
+		if err == errFileNotFound || err == errFileAccessDenied {
+			return pi, InvalidUploadID{UploadID: uploadID}
+		}
 		return pi, toObjectErr(err, minioMetaMultipartBucket, partPath)
 	}
 
diff --git a/cmd/os-reliable.go b/cmd/os-reliable.go
index 669bce6ca..410bcc2d3 100644
--- a/cmd/os-reliable.go
+++ b/cmd/os-reliable.go
@@ -156,11 +156,11 @@ func renameAll(srcFilePath, dstFilePath string) (err error) {
 // Reliably retries os.RenameAll if for some reason os.RenameAll returns
 // syscall.ENOENT (parent does not exist).
 func reliableRename(srcFilePath, dstFilePath string) (err error) {
+	if err = reliableMkdirAll(path.Dir(dstFilePath), 0777); err != nil {
+		return err
+	}
 	i := 0
 	for {
-		if err = reliableMkdirAll(path.Dir(dstFilePath), 0777); err != nil {
-			return err
-		}
 		// After a successful parent directory create attempt a renameAll.
 		if err = os.Rename(srcFilePath, dstFilePath); err != nil {
 			// Retry only for the first retryable error.