diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index 317b4858..68ce1c14 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -44,7 +44,9 @@ jobs:
 
       - name: Run coverage (server + client)
         shell: bash
-        run: npm run test:coverage 2>&1 | tee /tmp/coverage-test.log
+        run: |
+          set -eo pipefail
+          npm run test:coverage 2>&1 | tee /tmp/coverage-test-${{ github.run_id }}.log
         working-directory: frontend
         env:
           TZ: Europe/Berlin
@@ -53,9 +55,9 @@ jobs:
         shell: bash
         if: always()
         run: |
-          if grep -q "rpc is closed" /tmp/coverage-test.log 2>/dev/null; then
+          if grep -q "\[birpc\] rpc is closed" /tmp/coverage-test-${{ github.run_id }}.log 2>/dev/null; then
             echo "FAIL: [birpc] rpc is closed teardown race detected in coverage run"
-            grep "rpc is closed" /tmp/coverage-test.log
+            grep "\[birpc\] rpc is closed" /tmp/coverage-test-${{ github.run_id }}.log
             exit 1
           fi