diff --git a/chart/templates/bigbang/secret.yaml b/chart/templates/bigbang/secret.yaml
index ec1e8be7124ce377c46256d32f41e13dced47bbb..6195feafe4afd32bad8e19f3ea673f5deb6b8734 100644
--- a/chart/templates/bigbang/secret.yaml
+++ b/chart/templates/bigbang/secret.yaml
@@ -1,4 +1,5 @@
 {{- if .Values.secret.enabled -}}
+{{- if not (lookup "v1" "Secret" "" "{{ template 'nexus.name' . }}-secret") }}
 apiVersion: v1
 kind: Secret
 metadata:
@@ -14,3 +15,4 @@ data:
   admin.password: {{ randAlphaNum 12 | b64enc | quote }}
   admin.username: YWRtaW4K
 {{- end}}
+{{- end}}