diff --git a/.circleci/config.yml b/.circleci/config.yml
index e8d71b17e6..6353a2fae4 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -40,7 +40,7 @@ jobs:
             - soljson-{{ checksum "soljson-versions.txt" }}
       - run: yarn run downloadsolc_assets_e2e
       - save_cache:
-          keys: soljson-{{ checksum "soljson-versions.txt" }}
+          key: soljson-{{ checksum "soljson-versions.txt" }}
           paths:
             - dist/apps/remix-ide/assets/js/soljson