diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 3e8e342a..6b751bc8 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -20,6 +20,6 @@ jobs:
       - uses: taiki-e/install-action@v2
         with:
           tool: cargo-hack@0.5.25
-      - run: cargo hack check --feature-powerset --depth ${{ inputs.depth }} --no-dev-deps --exclude-features $FEATURE_EXCLUDE
+      - run: cargo hack check --feature-powerset --depth ${{ inputs.depth }} --no-dev-deps --exclude-features "$FEATURE_EXCLUDE"
         env:
           FEATURE_EXCLUDE: "no_std stdweb wasm-bindgen f32_float only_i32 unicode-xid-ident bin-features"