diff --git a/helm/config/backend.yaml b/helm/config/backend.yaml
index 36b9b6ec6..b032f5f2f 100644
--- a/helm/config/backend.yaml
+++ b/helm/config/backend.yaml
@@ -90,7 +90,7 @@ smtp:
 smtp:
   enabled: {{ .Values.alerting.email.enabled }}
   host: "{{ .Values.alerting.email.host }}"
-  user: "{{ .Values.alerting.email.username }}"
+  user: "{{ .Values.alerting.email.user }}"
   password: "{{ .Values.alerting.email.password }}"
   sender: "{{ .Values.alerting.email.sender }}"
 {{ end }}