diff --git a/.circleci/config.yml b/.circleci/config.yml
index 8a0cfda9310c847f275dffd1c07aafed9aac5a33..8c947f76e0e2a30e4b4267eb26e903c8171644dd 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -83,7 +83,7 @@ jobs:
 
       - save_cache:
           name: "Cache Nix Store Paths"
-          key: paymentserver-nix-store-v6-{{ checksum "niv/sources.json" }}
+          key: paymentserver-nix-store-v6-{{ checksum "nix/sources.json" }}
           paths:
             - "/nix"