diff --git a/nix/hosts/t490/services/cron.nix b/nix/hosts/t490/services/cron.nix
index 65004d5..8752ccf 100644
--- a/nix/hosts/t490/services/cron.nix
+++ b/nix/hosts/t490/services/cron.nix
@@ -5,7 +5,7 @@
     enable = true;
 
     systemCronJobs = [
-      "* * * * * opdavies ${pkgs.imapfilter}/bin/imapfilter -c ~/Code/email-filters/config.lua"
+      "*/15 * * * * opdavies ${pkgs.imapfilter}/bin/imapfilter -c ~/Code/email-filters/config.lua"
     ];
   };
 }