diff --git a/.github/workflows/build_and_test.yml b/.github/workflows/build_and_test.yml
index 348cb77c4..bda2e612f 100644
--- a/.github/workflows/build_and_test.yml
+++ b/.github/workflows/build_and_test.yml
@@ -43,6 +43,7 @@ jobs:
         run: |
           ALL_NODE_IDS=$(for i in $(seq ${{ strategy.job-total }} -1 0); do echo -n "${GITHUB_JOB}_${i},"; done | sed 's/,$//')
           MY_NODE_ID="${GITHUB_JOB}_${{ strategy.job-index }}"
+          which exo
           DEBUG_DISCOVERY=7 DEBUG=7 exo --node-id="${MY_NODE_ID}" --filter-node-ids="${ALL_NODE_IDS}" --chatgpt-api-port 52415 --disable-tui > output1.log 2>&1 &
           PID1=$!
           tail -f output1.log &