Fixing issue with gRPC endpoints and multi-stack

Change-Id: Ic63023d9a37c7861611e3c6247ba5bf4e82b2c69
diff --git a/voltha/Chart.yaml b/voltha/Chart.yaml
index 791e5fc..012b833 100644
--- a/voltha/Chart.yaml
+++ b/voltha/Chart.yaml
@@ -14,7 +14,7 @@
 ---
 apiVersion: "v1"
 name: "voltha"
-version: "2.10.5"
+version: "2.10.6"
 description: "A Helm chart for Voltha based on K8S resources in Voltha project"
 keywords:
   - "onf"
diff --git a/voltha/templates/_helpers.tpl b/voltha/templates/_helpers.tpl
index e8c3443..2e399d3 100644
--- a/voltha/templates/_helpers.tpl
+++ b/voltha/templates/_helpers.tpl
@@ -17,7 +17,7 @@
 {{- end -}}
 {{/* Create a default fully qualified app name. We truncate at 63 chars because . . . */}}
 {{- define "fullname" -}}
-{{- $name := default .Values.global.stack_name .Values.nameOverride -}}
+{{- $name := default .Chart.Name .Values.nameOverride -}}
 {{- $fullname := default (printf "%s-%s" .Release.Name $name) .Values.fullNameOverride -}}
 {{- $fullname | trunc 63 | trimSuffix "-" -}}
 {{- end -}}