diff --git a/cmd/dwelling-upload/main.go b/cmd/dwelling-upload/main.go
index 3a5200e..4be4037 100644
--- a/cmd/dwelling-upload/main.go
+++ b/cmd/dwelling-upload/main.go
@@ -20,18 +20,18 @@ var configPath *string = flag.String("conf", "config.yaml", "path to configurati
 var logToStdout *bool = flag.Bool("log-stdout", false, "write logs to stdout")
 
 func substituteUser(username string) error {
-	dwu, err := user.Lookup(username)
+	u, err := user.Lookup(username)
 	if err != nil {
 		return err
 	}
 
-	dwuid, err := strconv.Atoi(dwu.Uid)
+	uid, err := strconv.Atoi(u.Uid)
 	if err != nil {
 		return err
 	}
 
-	if os.Getuid() != dwuid {
-		if err := syscall.Setuid(dwuid); err != nil {
+	if os.Getuid() != uid {
+		if err := syscall.Setuid(uid); err != nil {
 			return err
 		}
 	}