1 files changed, 3 insertions, 2 deletions
diff --git a/fs.go b/fs.go
index 2ff9162..d886de8 100644
--- a/fs.go
+++ b/fs.go
@@ -25,6 +25,7 @@ var (
 	ErrUnsupported     = errors.New("unsupported operation")
 	ErrInvalidProtocol = errors.New("invalid protocol")
 	ErrInvalidOpenFlag = errors.New("invalid open flag, expects either O_WRONLY or O_RDONLY")
+	ErrNotDirectory    = errors.New("not a directory")
 )
 
 type Fs struct {
@@ -150,8 +151,8 @@ func (fs *Fs) RemoveAll(path string) error {
 	ctx, cancel := fs.contextWithTimeout()
 	defer cancel()
 
-	if !strings.HasSuffix(path, "/") {
-		path += "/"
+	if !isDirPath(path) {
+		return ErrNotDirectory
 	}
 	objectsCh := fs.client.ListObjects(ctx, fs.bucket, minio.ListObjectsOptions{Prefix: path})
 	errc := fs.client.RemoveObjects(ctx, fs.bucket, objectsCh, minio.RemoveObjectsOptions{})