diff --git a/nomad/structs/acl.go b/nomad/structs/acl.go
index c8a29b62f09..8ae730f5219 100644
--- a/nomad/structs/acl.go
+++ b/nomad/structs/acl.go
@@ -833,8 +833,8 @@ func (a *ACLAuthMethodConfig) Copy() *ACLAuthMethodConfig {
 // can be used with go-bexpr. This structure is used during rule binding
 // evaluation.
 type ACLAuthClaims struct {
-	Value any
-	List  any
+	Value map[string]string
+	List  map[string][]string
 }
 
 // ACLAuthMethodStub is used for listing ACL auth methods