diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 77ba6f36..d6dba5b2 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -104,7 +104,8 @@ jobs:
         uses: actions/checkout@v4
       - name: Check locked install
         uses: prefix-dev/setup-pixi@v0.8.1
-        locked: true
+        with:
+          locked: true
 
   # # Not sure how to do this with conda in the mix yet,
   # # hence leave out for now