diff --git a/helm.mk b/helm.mk
index 1fdf5bd..394fb8c 100644
--- a/helm.mk
+++ b/helm.mk
@@ -1,4 +1,4 @@
-MANDATORY = $(shell printenv MANDATORY) K8S_CONTEXT HELM_CHART_NAME HELM_CHART_PATH HELM_VALUES_FILE NAMESPACE
+MANDATORY = $(shell printenv MANDATORY) K8S_CONTEXT HELM_CHART_NAME HELM_CHART_PATH HELM_VALUES_FILE K8S_NAMESPACE
 # helm
 #
 # deploys helm charts on k8s via helm