diff --git a/src/js/filters.js b/src/js/filters.js
index 3314906..df843c9 100644
--- a/src/js/filters.js
+++ b/src/js/filters.js
@@ -51,7 +51,7 @@ Vue.filter('duration', function(value, hideSeconds = false) {
 
     // Format for translation
     days = days && $t('time.daysShort', { days }, parseInt(days));
-    hours = hours && $t('time.hoursShort', { hours }, parseInt(hours));
+    hours = (days || hours) && $t('time.hoursShort', { hours }, parseInt(hours));
     minutes = $t('time.minutesShort', { minutes }, parseInt(minutes));
     seconds = $t('time.secondsShort', { seconds }, parseInt(seconds));