diff --git a/.github/workflows/download.yml b/.github/workflows/download.yml
index fd71781..509e0ab 100644
--- a/.github/workflows/download.yml
+++ b/.github/workflows/download.yml
@@ -25,8 +25,8 @@ jobs:
       run: echo "${{ steps.dlparam.outputs.tool4d }}"
     - uses: 4d/tool4d-action@main
       id: dl
-      if: "${{ matrix.os }} != ubuntu-latest"
+      if: "${{ matrix.os }} != 'ubuntu-latest'"
     - id: echodl
       shell: bash
-      if: "${{ matrix.os }} != ubuntu-latest"
+      if: "${{ matrix.os }} != 'ubuntu-latest'"
       run: echo "${{ steps.dl.outputs.tool4d }}"