diff --git a/internal/tenantstore/store.go b/internal/tenantstore/store.go
index d8b24fd..249e963 100644
--- a/internal/tenantstore/store.go
+++ b/internal/tenantstore/store.go
@@ -22,8 +22,8 @@ type Tenant struct {
 	// Computed fields populated by List.
 	DomainCount   int    `json:"domain_count,omitempty"`
 	UserCount     int    `json:"user_count,omitempty"`
-	LDAPEnabled   *bool  `json:"ldap_enabled,omitempty"`
-	LDAPURL       string `json:"ldap_url,omitempty"`
+	LDAPEnabled   *bool   `json:"ldap_enabled,omitempty"`
+	LDAPURL       *string `json:"ldap_url,omitempty"`
 	HasLogo       bool   `json:"has_logo,omitempty"`
 	RetentionDays int    `json:"retention_days"` // 0 = use global config
 	// Quota fields (PROJ-29) — nil = unlimited