diff --git a/charts/spire/charts/spire-server/templates/configmap.yaml b/charts/spire/charts/spire-server/templates/configmap.yaml
index a4e07a5..dc12108 100644
--- a/charts/spire/charts/spire-server/templates/configmap.yaml
+++ b/charts/spire/charts/spire-server/templates/configmap.yaml
@@ -38,6 +38,9 @@
 {{- if and (eq (.Values.keyManager.awsKMS.keyIdentifierFile.enabled | toString) "true") (eq (.Values.keyManager.awsKMS.keyIdentifierValue.enabled | toString ) "true") }}
 {{-   fail "You can only enable one of keyIdentifierFile or keyIdentifierValue at a time" }}
 {{- end }}
+{{- if hasKey .Values.federation.bundleEndpoint "profile" }}
+{{-   fail "Configuring the federation bundle endpoint profile directly isn't supported. You can specify the settings via federation.tls" }}
+{{- end }}
 {{- define "spire-server.yaml-config" -}}
 {{- $upstreamAuthorityUsed := 0 }}
 {{- $keyManagerUsed := 0 }}