diff --git a/core/src/main/java/google/registry/env/sandbox/default/WEB-INF/cron.xml b/core/src/main/java/google/registry/env/sandbox/default/WEB-INF/cron.xml
index 2e9a1e41c..1998f5411 100644
--- a/core/src/main/java/google/registry/env/sandbox/default/WEB-INF/cron.xml
+++ b/core/src/main/java/google/registry/env/sandbox/default/WEB-INF/cron.xml
@@ -253,7 +253,7 @@
       This job runs weekly to wipe out PII fields of ContactHistory entities
       that have been in the database for a certain period of time.
     </description>
-    <schedule>every monday synchronized</schedule>
+    <schedule>every monday 15:00</schedule>
     <target>backend</target>
   </cron>
 </cronentries>