diff --git a/.github/workflows/cmake.yml b/.github/workflows/cmake.yml
index 1a852aa..ed60b7d 100644
--- a/.github/workflows/cmake.yml
+++ b/.github/workflows/cmake.yml
@@ -68,7 +68,7 @@ jobs:
           # Workaround https://github.com/actions/runner-images/issues/8659
           echo "matrix.name=${{ matrix.name }}"
           echo "matrix.os=${{ matrix.os }}"
-          if [ "${{ matrix.name }}" = "ubuntu-22.04-clang-14" || "${{ matrix.os }}" = "ubuntu-latest"]; then
+          if [[ "${{ matrix.name }}" = "ubuntu-22.04-clang-14" ]] || [[ "${{ matrix.os }}" = "ubuntu-latest"]]; then
             echo "Workaround for https://github.com/actions/runner-images/issues/8659"
             sudo rm -f /etc/apt/sources.list.d/ubuntu-toolchain-r-ubuntu-test-jammy.list
             sudo apt-get update