diff --git a/roles/clamav/tasks/main.yml b/roles/clamav/tasks/main.yml
index 675c02de36..0ae267c700 100644
--- a/roles/clamav/tasks/main.yml
+++ b/roles/clamav/tasks/main.yml
@@ -42,8 +42,8 @@
     user=root
     minute="{{ clamscan_minute | default(35) }}"
     hour="{{ clamscan_hour | default(4) }}"
-    day="{{ clamscan_day | default(*) }}"
-    month="{{ clamscan_month | default(*) }}"
+    day="{{ clamscan_day | default('*') }}"
+    month="{{ clamscan_month | default('*') }}"
     weekday="{{ clamscan_weekday | default(5) }}"
     job="/usr/local/bin/clamscan.sh"
     cron_file="ansible-clamscan"