diff --git a/charts/camunda-platform-8.5/templates/identity/configmap.yaml b/charts/camunda-platform-8.5/templates/identity/configmap.yaml
index fbabcf4d2b..bbfec8de35 100644
--- a/charts/camunda-platform-8.5/templates/identity/configmap.yaml
+++ b/charts/camunda-platform-8.5/templates/identity/configmap.yaml
@@ -20,6 +20,8 @@ data:
 
       {{- if (tpl ( include "identity.authClientSecret" . ) .)}}
       client-id: {{ include "identity.authClientId" . | quote }}
+      {{- end }}
+      {{- if and (.Values.global.identity.auth.identity.existingSecret) (eq (typeOf .Values.global.identity.auth.identity.existingSecret) "string") }}
       client-secret: {{ include "identity.authClientSecret" . | quote }}
       {{- end }}