diff --git a/snapraid-scrub.timer b/snapraid-scrub.timer
index a0d20e2..df917cc 100644
--- a/snapraid-scrub.timer
+++ b/snapraid-scrub.timer
@@ -2,7 +2,7 @@
 Description=Runs SnapRAID scrub monthly
  
 [Timer]
-OnCalendar=Monthly, 02:00
+OnCalendar=* *-*-01 02:00:00
 Persistent=true
  
 [Install]