diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 185549cb..3a204003 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -7,6 +7,9 @@ jobs:
         go-version: [1.18.x, 1.22.x, 1.23.x]
         platform: [ubuntu-20.04, ubuntu-22.04, ubuntu-24.04, windows-latest, macos-12, macos-14]
     runs-on: ${{ matrix.platform }}
+    defaults:
+      run:
+        shell: bash
     steps:
     - name: Install Go
       uses: actions/setup-go@v5
@@ -14,11 +17,12 @@ jobs:
         go-version: ${{ matrix.go-version }}
     - name: Checkout code
       uses: actions/checkout@v4
-    - if: ${{ matrix.go-version == '1.18.x' }}
+    - name: Set PACKAGES env
+      if: ${{ matrix.go-version == '1.18.x' }}
       run: |
         # This corresponds with the list in Makefile:1, but omits the "userns"
         # and "capability" modules, which require go1.21 as minimum.
-        echo 'PACKAGES="mountinfo mount sequential signal symlink user"' >> $GITHUB_ENV
+        echo 'PACKAGES=mountinfo mount sequential signal symlink user' >> $GITHUB_ENV
     - name: go mod tidy
       run: |
         make foreach CMD="go mod tidy"