diff --git a/cmd/restray/operations.go b/cmd/restray/operations.go
index 6060dc8..7cbbeee 100644
--- a/cmd/restray/operations.go
+++ b/cmd/restray/operations.go
@@ -15,6 +15,7 @@ import (
 	"time"
 
 	"fyne.io/systray"
+	"github.com/dustin/go-humanize"
 	"github.com/gen2brain/beeep"
 )
 
@@ -98,19 +99,6 @@ func runRestic(key profileKey, prof Profile, mStatus prefixedMenuItem, args ...s
 	return msg, err
 }
 
-func formatSize(sz uint64) string {
-	switch {
-	case sz >= 1e9:
-		return fmt.Sprintf("%.1f GB", float64(sz)/1e9)
-	case sz >= 1e6:
-		return fmt.Sprintf("%.1f MB", float64(sz)/1e6)
-	case sz >= 1e3:
-		return fmt.Sprintf("%.0f KB", float64(sz)/1e3)
-	default:
-		return fmt.Sprintf("%d bytes", sz)
-	}
-}
-
 func doBackupOnce(key profileKey, mStatus prefixedMenuItem, prof Profile, args []string) (bool, int) {
 	cmd := resticCmd(prof, args...)
 	stdoutPipe, _ := cmd.StdoutPipe()
@@ -145,7 +133,7 @@ func doBackupOnce(key profileKey, mStatus prefixedMenuItem, prof Profile, args [
 			switch {
 			case msg.Total > 0:
 				mStatus.SetTitle(fmt.Sprintf("%d%% completed, %s of %s",
-					int(msg.Percent*100), formatSize(msg.Bytes), formatSize(msg.Total)))
+					int(msg.Percent*100), humanize.Bytes(msg.Bytes), humanize.Bytes(msg.Total)))
 			case msg.TotalFiles > 0:
 				mStatus.SetTitle(fmt.Sprintf("Scanning: %d / %d files",
 					msg.FilesDone, msg.TotalFiles))