diff --git a/cmd/dwelling-upload-clean/main.go b/cmd/dwelling-upload-clean/main.go
index 04f1e23..8c9751a 100644
--- a/cmd/dwelling-upload-clean/main.go
+++ b/cmd/dwelling-upload-clean/main.go
@@ -33,7 +33,7 @@ func main() {
 	}
 
 	for _, entry := range uploadsDir {
-		file, err := os.Stat(entry.Name())
+		file, err := os.Stat(path.Join(*uploadDir, entry.Name()))
 		if err != nil {
 			log.Printf("failed to stat a file %s: %s", entry.Name(), err)
 			continue
diff --git a/pkg/utils/filesize.go b/pkg/utils/filesize.go
index 8b74ead..1100a5b 100644
--- a/pkg/utils/filesize.go
+++ b/pkg/utils/filesize.go
@@ -2,6 +2,7 @@ package utils
 
 import (
 	"os"
+	"path"
 	"strconv"
 	"strings"
 
@@ -28,14 +29,14 @@ func ConvertFileSize(size int64) (float64, string, string) {
 		strings.Join([]string{fSizeStr, sizeSuffixes[idx]}, " ")
 }
 
-func DirectorySize(path string) (dirSz int64, err error) {
-	dir, err := os.ReadDir(path)
+func DirectorySize(dirPath string) (dirSz int64, err error) {
+	dir, err := os.ReadDir(dirPath)
 	if err != nil {
-		return 0, errors.Wrapf(err, "failed to compute %s directory size", path)
+		return 0, errors.Wrapf(err, "failed to compute %s directory size", dirPath)
 	}
 
 	for _, entry := range dir {
-		file, err := os.Stat(entry.Name())
+		file, err := os.Stat(path.Join(dirPath, entry.Name()))
 		if err != nil {
 			return 0, errors.Wrapf(err, "failed to stat a file %s", entry.Name())
 		}