diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 622da105fdd..92e353ba8f3 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -24,6 +24,7 @@ jobs:
       pull-requests: read
     outputs:
       typescript: ${{ steps.filter.outputs.typescript }}
+      proc_macros: ${{ steps.filter.outputs.proc_macros }}
     steps:
       - uses: actions/checkout@v3
       - uses: dorny/paths-filter@4067d885736b84de7c414f582ac45897079b0a78
@@ -45,8 +46,8 @@ jobs:
     runs-on: ${{ matrix.os }}
     env:
       CC: deny_c
-      RUST_CHANNEL: "${{ needs.changes.outputs.proc_macros == 'true' && 'nightly' || 'stable'}}"
-      USE_SYSROOT_ABI: "${{ needs.changes.outputs.proc_macros == 'true' && '--features sysroot-abi' || ''}}"
+      RUST_CHANNEL: "${{ needs.changes.outputs.proc_macros == 'true' && 'nightly' || 'stable' }}"
+      USE_SYSROOT_ABI: "${{ needs.changes.outputs.proc_macros == 'true' && '--features sysroot-abi' || '' }}"
 
     strategy:
       fail-fast: false