diff --git a/src/View/ProgressBarView.php b/src/View/ProgressBarView.php
index f6aaa0a..ac26444 100644
--- a/src/View/ProgressBarView.php
+++ b/src/View/ProgressBarView.php
@@ -8,6 +8,7 @@
 
 use function floor;
 use function max;
+use function number_format;
 use function str_repeat;
 use function vsprintf;