diff --git a/.github/workflows/build-iso.yml b/.github/workflows/build-iso.yml
index 4295e9a7..984f784f 100644
--- a/.github/workflows/build-iso.yml
+++ b/.github/workflows/build-iso.yml
@@ -2,7 +2,7 @@ name: Build NixOS iso from flake
 
 on:
   schedule:
-    cron: "0 10 * * 2"
+    - cron: "0 10 * * 2"
 
 jobs:
   build: