diff --git a/uwatch b/uwatch
index 43e08ac..e91d8aa 100755
--- a/uwatch
+++ b/uwatch
@@ -81,7 +81,7 @@ rcount)
     duration="${1:-$DEFAULT_DURATION}"
     [ -n "$offset" ] && duration=$(($duration - $offset))
     end=$(($start + $duration))
-    TZ= setx until=date -d "@$end" +%H:%M:%S
+    setx until=date -d "@$end" +%H:%M:%S
     ;;
 esac