diff --git a/flake.nix b/flake.nix
index 81ab8c7..2e18daa 100644
--- a/flake.nix
+++ b/flake.nix
@@ -42,7 +42,7 @@
         options.services.wanireminder = {
           enable = lib.mkEnableOption "wanikani reminder bot";
           calendarTimes = lib.mkOption {
-            type = lib.types.oneOf [(lib.type.listOf lib.types.str) lib.types.str];
+            type = lib.types.oneOf [(lib.types.listOf lib.types.str) lib.types.str];
             default = "hourly";
             description = "Systemd timer specification";
           };