diff --git a/README.md b/README.md
index d5a61602..21b62c74 100644
--- a/README.md
+++ b/README.md
@@ -21,8 +21,11 @@ runs:
       run: echo "do some initial setup"
     - name: Step 2
       shell: bash
-      run: echo "do some Linux-specific setup"
-      if: ${{ matrix.os == 'ubuntu' }}
+      run: |
+        # note that it's not possible to use if: on the step, see https://github.com/actions/runner/issues/834
+        if [[ "${{ matrix.os }}" == "ubuntu" ]]; then
+          echo "do some Linux-specific setup"
+        fi
 ```
 
 These setup steps are run after the repository has been checked out and after Go has been installed, but before any tests or checks are run.