diff --git a/src/main/helm/templates/deployment.yaml b/src/main/helm/templates/deployment.yaml
index 89923f7398d52a48fcf04bd168ab784626709b92..f1aadaee30f8dcdd3fa17fcb61678dfbd281fd46 100644
--- a/src/main/helm/templates/deployment.yaml
+++ b/src/main/helm/templates/deployment.yaml
@@ -82,7 +82,7 @@ spec:
                 optional: false
           {{- if .Values.disableGrpcTls }}
           - name: grpc_server_security_enabled
-            value: false
+            value: "false"
           {{- end }}
         image: "{{ .Values.image.repo }}/{{ .Values.image.name }}:{{ coalesce (.Values.image).tag "latest" }}"
         imagePullPolicy: Always
diff --git a/src/test/helm/deployment_grpc_tls_test.yaml b/src/test/helm/deployment_grpc_tls_test.yaml
index fab6810679aab9e1dd6114cd64a5f25fae5c822d..37f7775fb8fa54962b2bea1180ce646a07dcbc28 100644
--- a/src/test/helm/deployment_grpc_tls_test.yaml
+++ b/src/test/helm/deployment_grpc_tls_test.yaml
@@ -75,4 +75,4 @@ tests:
           path: spec.template.spec.containers[0].env
           content:
             name: grpc_server_security_enabled
-            value: false
\ No newline at end of file
+            value: "false"
\ No newline at end of file