diff --git a/includes/SD/zsync.timer b/includes/SD/zsync.timer
index 860adc3b4..9fbe9ed61 100644
--- a/includes/SD/zsync.timer
+++ b/includes/SD/zsync.timer
@@ -3,7 +3,7 @@ Description=Perform nightly zram sync to persistent storage
 
 [Timer]
 Unit=zsync.service
-OnCalendar=*-*-* *:00:15
+OnCalendar=*-*-* 00:15
 RandomizedDelaySec=10m
 Persistent=true