1 files changed, 1 insertions, 1 deletions
diff --git a/lib/types.nix b/lib/types.nix
index 016853300..41e75154e 100644
--- a/lib/types.nix
+++ b/lib/types.nix
@@ -19,7 +19,7 @@ rec {
         default = config._module.args.name;
       };
       cores = mkOption {
-        type = positive;
+        type = uint;
       };
       nets = mkOption {
         type = attrsOf net;