diff --git a/commands.go b/commands.go
index 6feae6b..28ff064 100644
--- a/commands.go
+++ b/commands.go
@@ -149,7 +149,7 @@ func formatDuration(d time.Duration) string {
 	h := d / time.Hour
 	d -= h * time.Hour
 	m := d / time.Minute
-	return fmt.Sprintf("%02d:%02d", h, m)
+	return fmt.Sprintf("%02dh%02dm", h, m)
 }
 func flashLights(m chat1.MsgSummary) {
 	v := getVehicle(m)