diff --git a/.github/workflows/tests-ci.yml b/.github/workflows/tests-ci.yml
index d32e22529..58d588d41 100644
--- a/.github/workflows/tests-ci.yml
+++ b/.github/workflows/tests-ci.yml
@@ -148,7 +148,7 @@ jobs:
           echo "DWN_SERVER_BACKGROUND_PROCESS=$!" >> $GITHUB_ENV
 
       - name: Run tests for matrix ${{ matrix.browser }} 
-        run: npm run test:browser -- ${{ matrix.browser }}
+        run: npm run test:browser --ws -- ${{ matrix.browser }}
 
       - name: Terminate dwn-server
         run: kill $DWN_SERVER_BACKGROUND_PROCESS || true