diff --git a/charts/argo-cd/templates/argocd-application-controller/statefulset.yaml b/charts/argo-cd/templates/argocd-application-controller/statefulset.yaml
index 70620df6d..a907ac767 100644
--- a/charts/argo-cd/templates/argocd-application-controller/statefulset.yaml
+++ b/charts/argo-cd/templates/argocd-application-controller/statefulset.yaml
@@ -228,10 +228,10 @@ spec:
                 name: {{ default "argocd-redis" .Values.externalRedis.existingSecret }}
                 {{- if .Values.externalRedis.host }}
                 key: redis-password
-                optional: true
                 {{- else }}
                 key: auth
                 {{- end }}
+                optional: true
           - name: REDIS_SENTINEL_USERNAME
             valueFrom:
               secretKeyRef:
diff --git a/charts/argo-cd/templates/argocd-repo-server/deployment.yaml b/charts/argo-cd/templates/argocd-repo-server/deployment.yaml
index 9a15e5968..2617251de 100755
--- a/charts/argo-cd/templates/argocd-repo-server/deployment.yaml
+++ b/charts/argo-cd/templates/argocd-repo-server/deployment.yaml
@@ -187,10 +187,10 @@ spec:
                 name: {{ default "argocd-redis" .Values.externalRedis.existingSecret }}
                 {{- if .Values.externalRedis.host }}
                 key: redis-password
-                optional: true
                 {{- else }}
                 key: auth
                 {{- end }}
+                optional: true
           - name: REDIS_SENTINEL_USERNAME
             valueFrom:
               secretKeyRef:
diff --git a/charts/argo-cd/templates/argocd-server/deployment.yaml b/charts/argo-cd/templates/argocd-server/deployment.yaml
index b0cecd6c2..cc5f7bfe6 100755
--- a/charts/argo-cd/templates/argocd-server/deployment.yaml
+++ b/charts/argo-cd/templates/argocd-server/deployment.yaml
@@ -255,10 +255,10 @@ spec:
                 name: {{ default "argocd-redis" .Values.externalRedis.existingSecret }}
                 {{- if .Values.externalRedis.host }}
                 key: redis-password
-                optional: true
                 {{- else }}
                 key: auth
                 {{- end }}
+                optional: true
           - name: REDIS_SENTINEL_USERNAME
             valueFrom:
               secretKeyRef: