diff --git a/.github/workflows/ctest.yml b/.github/workflows/ctest.yml
index d2509682..6c59a23a 100644
--- a/.github/workflows/ctest.yml
+++ b/.github/workflows/ctest.yml
@@ -31,6 +31,8 @@ jobs:
       shell: bash
       working-directory: ${{github.workspace}}
       run: |
+           sudo modprobe snd-aloop index=1,2 enable=1,1 pcm_substreams=1,1 id=CHAT1,CHAT
+           aplay -l
            mkdir build && cd build
            cmake -DCODEC2_BUILD_DIR=$GITHUB_WORKSPACE/codec2/build_linux ..
            ctest --output-on-failure