diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index facb4f08d..a6d2bab06 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -28,7 +28,7 @@ jobs:
         - {os: ubuntu-22.04, compiler: gcc, version: '12', name: c++17, flags: -DCPP17=ON}
         - {os: ubuntu-22.04, compiler: gcc, version: '12', name: xsimd-tbb, flags: -DXTENSOR_USE_XSIMD=ON -DXTENSOR_USE_TBB=ON}
         - {os: ubuntu-22.04, compiler: gcc, version: '12', name: tbb, flags: -DXTENSOR_USE_TBB=ON -DTBB_INCLUDE_DIR=$CONDA_PREFIX/include -DTBB_LIBRARY=$CONDA_PREFIX/lib}
-    runs-on: ${{ matrix.os }}
+    runs-on: ${{ matrix.sys.os }}
     steps:
     - name: Setup GCC
       if: ${{ matrix.sys.compiler == 'gcc' }}