diff --git a/.github/workflows/cov.yaml b/.github/workflows/cov.yaml
index daf70532..7923bdf3 100644
--- a/.github/workflows/cov.yaml
+++ b/.github/workflows/cov.yaml
@@ -26,10 +26,10 @@ jobs:
 
       - name: Run code coverage
         shell: bash --noprofile --norc -x -eo pipefail {0}
-        # Do not make the build fail even if code coverage reported
-        # a test failure.
         run: |
+          set -e
           ./scripts/cov.sh upload
+          set +e
 
       - name: Convert coverage.out to coverage.lcov
         uses: jandelgado/gcov2lcov-action@v1.0.8
diff --git a/scripts/cov.sh b/scripts/cov.sh
index 558fc17f..70dfa8f9 100755
--- a/scripts/cov.sh
+++ b/scripts/cov.sh
@@ -1,7 +1,18 @@
 #!/bin/bash
 # Run from directory above via ./scripts/cov.sh
 
-# Do not set the -e flag because we don't a flapper to prevent the push to coverall.
+check_file () {
+    # If the content of the file is simply "mode: atomic", then it means that the
+    # code coverage did not complete due to a panic in one of the tests.
+    if [[ $(cat ./cov/$2) == "mode: atomic" ]]; then
+        echo "#############################################"
+        echo "## Code coverage for $1 package failed ##"
+        echo "#############################################"
+        exit 1
+    fi
+}
+
+# Do not globally set the -e flag because we don't a flapper to prevent the push to coverall.
 
 export GO111MODULE="on"
 
@@ -9,14 +20,28 @@ go install github.com/wadey/gocovmerge@latest
 
 rm -rf ./cov
 mkdir cov
+#
 # Since it is difficult to get a full run without a flapper, do not use `-failfast`.
 # It is better to have one flapper or two and still get the report than have
 # to re-run the whole code coverage. One or two failed tests should not affect
 # so much the code coverage.
+#
+# However, we need to take into account that if there is a panic in one test, all
+# other tests in that package will not run, which then would cause the code coverage
+# to drastically be lowered. In that case, we don't want the code coverage to be
+# uploaded.
+#
 go test -v -covermode=atomic -coverprofile=./cov/conf.out ./conf -timeout=20m -tags=skip_no_race_tests
+check_file "conf" "conf.out"
 go test -v -covermode=atomic -coverprofile=./cov/log.out ./logger -timeout=20m -tags=skip_no_race_tests
+check_file "logger" "log.out"
 go test -v -covermode=atomic -coverprofile=./cov/server.out ./server -timeout=20m -tags=skip_no_race_tests
+check_file "server" "server.out"
 go test -v -covermode=atomic -coverprofile=./cov/test.out -coverpkg=./server ./test -timeout=20m -tags=skip_no_race_tests
+check_file "test" "test.out"
+
+# At this point, if that fails, we want the caller to know about the failure.
+set -e
 gocovmerge ./cov/*.out > acc.out
 rm -rf ./cov
 
@@ -24,3 +49,4 @@ rm -rf ./cov
 if [[ $1 == "" ]]; then
     go tool cover -html=acc.out
 fi
+set +e