diff --git a/.circleci/config.yml b/.circleci/config.yml
index d5810836ad7d19b67bf38db4ae4ce3917edf9b88..aa797c91a382a1a05d76ef3630e93d75ab76e4b4 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -74,6 +74,8 @@ jobs:
       - save_cache:
           name: "Cache Nix Store Paths"
           key: paymentserver-nix-store-v1-{{ .Environment.NIXPKGS_REV }}
+          paths:
+            - "/nix"
 
       - store_artifacts:
           path: ".stack-work/logs"