diff --git a/home/accounts/service.nix b/home/accounts/service.nix
index 59dccf26..509ab985 100644
--- a/home/accounts/service.nix
+++ b/home/accounts/service.nix
@@ -4,6 +4,6 @@
   imports = [ ./default.nix ];
   services.mbsync = {
     enable = true;
-    frequency = "*-*-* *:*/15:00";
+    frequency = "*-*-* *:0/15:00";
   };
 }