diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e75f6a2d..810b42be 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -174,7 +174,7 @@ jobs:
         with:
           version: "latest"
       - name: Build squiggle-mc
-        run: cd ../mc wasm-pack build --target nodejs
+        run: cd ../mc && wasm-pack build --target nodejs
       - name: Build rescript codebase and typescript interface in squiggle-lang
         run: cd ../squiggle-lang && yarn build
       - name: Run webpack