diff --git a/app/src/main/java/eu/faircode/email/WorkerSync.java b/app/src/main/java/eu/faircode/email/WorkerSync.java
index b360f7d21f..1018f2a7e0 100644
--- a/app/src/main/java/eu/faircode/email/WorkerSync.java
+++ b/app/src/main/java/eu/faircode/email/WorkerSync.java
@@ -78,7 +78,7 @@ public class WorkerSync extends Worker {
                 long delay = cal.getTimeInMillis();
                 cal.set(Calendar.MILLISECOND, 0);
                 cal.set(Calendar.SECOND, 0);
-                cal.set(Calendar.MINUTE, 0);
+                cal.set(Calendar.MINUTE, 30);
                 cal.set(Calendar.HOUR_OF_DAY, 1);
                 cal.add(Calendar.DAY_OF_MONTH, 1);
                 delay = cal.getTimeInMillis() - delay;