diff --git a/effects.nix b/effects.nix
index 13bebcc..4d456c8 100644
--- a/effects.nix
+++ b/effects.nix
@@ -1,4 +1,4 @@
-{
+{lib, ...}: {
   defaultEffectSystem = "aarch64-linux";
 
   hercules-ci = {
@@ -7,4 +7,10 @@
       when.dayOfWeek = "Mon";
     };
   };
+
+  # TODO: Remove once I set up a macOS server
+  herculesCI.ciSystems = lib.mkForce [
+    "x86_64-linux"
+    "aarch64-linux"
+  ];
 }