diff --git a/.github/linters/ct.yaml b/.github/linters/ct.yaml
index a3db7fe1573..c9ad47c7385 100644
--- a/.github/linters/ct.yaml
+++ b/.github/linters/ct.yaml
@@ -12,4 +12,5 @@ excluded-charts:
   # If not running on GCE, will error: "Failed to get GCE config"
   - prometheus-to-sd
 additional-commands:
+  - bash -c 'test -f "{{ .Path }}" && exec bash "{{ .Path }}/lint.sh"'
   # - helm unittest --helm3 --strict --file unittests/*.yaml --file 'unittests/**/*.yaml' {{ .Path }}
diff --git a/charts/kube-prometheus-stack/lint.sh b/charts/kube-prometheus-stack/lint.sh
new file mode 100644
index 00000000000..b4fc5c915ae
--- /dev/null
+++ b/charts/kube-prometheus-stack/lint.sh
@@ -0,0 +1,5 @@
+#!/usr/bin/env sh
+
+echo "lint test"
+
+exit 2