diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 97bf65c87..9e0aa8ef2 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -300,7 +300,7 @@ jobs:
 
     - name: Run 'NetFlow echo' demo/test
       run: |
-          ${{ matrix.build-type.before-each-test }}
+          export TSAN_OPTIONS="second_deadlock_stack=1"
           cd $GITHUB_WORKSPACE/install/${{ matrix.build-type.conan-build-type }}/bin/
           ./net_flow_echo_srv.exec 8888 localhost & 
           sleep 1